Light detection means (e.g., with photodetector)

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Date

20130044092

DISPLAY DEVICE AND DRIVING METHOD THEREOF - Exemplary embodiments of the present invention provide a display device including a plurality of sensing unit groups consisting of a plurality of sensing units and arranged in a matrix form. The display device further includes a plurality of gate lines connected to the plurality of sensing units included in a first sensing unit group, at least one sensing signal line connected to the plurality of sensing units, a scan driver transmitting gate signals to the gate lines, and a sensing signal processor processing a sensing signal transmitted by the sensing signal line. The gate lines transmit the gate signals according to different gate clock signals.

02-21-2013

20160019864

ARRAY SUBSTRATE AND DISPLAY PANEL - The present invention provides an array substrate and a display panel. The array substrate comprises a base substrate comprising a first surface and a second surface which is opposite to the first surface, and a pixel circuit arranged on the first surface of the base substrate, wherein the array substrate further comprises a driving circuit, which is arranged on the second surface of the base substrate and is in signal connection with the pixel circuit. The present invention further provides a display panel comprising the array substrate. In the present invention, the driving circuit provides an electrical drive signal required for display to the pixel circuit, and both the driving circuit and the pixel circuit are integrated on the base substrate of the array substrate, thereby improving the degree of integration of the array substrate and reducing the total volume of the display panel.

01-21-2016

20160133222

GLASS BOOK - A glass book is a sealed stack of layers of durable, amorphous embedding material, such as glass or a glass-like material, that strongly resists deterioration over millennium-long time scales. Embedded in the layers are components of silicon and other insulating, semiconductive, and conductive elements and combinations of elements likewise durable. Among these components are energy-capturing and energy-converting power cells to provide electrical energy, charge-storage cells to store power-cell energy and issue electrical power for the book's operation, computer microcircuits, and a durable, large-capacity, static, read-only, permanent memory subsystem. The permanent memory subsystem contains in digital form the texts, images, and other readable or user-presentable material for reading. Capacitance coupling, piezoelectric pressure coupling, or other means of tactile engagement through the surface layer enables a user to present touch commands to the book's circuitry to activate and alter the contents of its display for reading from the book's contents.

DISPLAY DEVICE AND MEANS TO IMPROVE LUMINANCE UNIFORMITY - A method and sensor system and software are described for use of at least two sensors for detecting a property such as the intensity, colour and/or colour point of light emitted from at least two display areas of a display device into the viewing angle of said display device, e.g. for real-time measurements, while the display is in use, and off-line measurements, namely when the normal display functionality is interrupted, with a high signal to noise ratio and a reduced amount of observed non-uniformities in the luminance. The sensors are substantially transparent. The entire area of the display is used for the measurements, which is the result of combining the contribution of the backlight and the panel, that both can exhibit luminance non-uniformities.

10-24-2013

20100026670

Display device and uses thereof - The invention relates to a display device comprising at least a light emitter, with power supply means suitable for the electrical supply for each emitter and the means of detection of irradiance of ambient light radiation. The detection means are also able to capture the ambient light radiation, to convert it into electrical energy and supply power to each emitter to increase the light level of each emitter according to the irradiance of ambient light radiation. The invention relates to any display system that undergoes illumination variations but for which the readability must be ensured such as computers, traffic lights or similar devices.

02-04-2010

20150332641

TRANSFLECTIVE PANEL DEVICE - A transflective panel device includes: a plurality of pixels arranged in columns and rows, each pixel including a transmissive part coupled to a first gate line and a reflective part coupled to a second gate line; a gate driver including a first driving unit and a second driving unit, wherein the first driving unit is coupled to the first gate lines and drives the transmissive parts based on a first driving signal and the second driving unit is coupled to the second gate lines and drives the reflective parts based on a second driving signal; wherein the first driving signal and the second driving signal are controlled independently.

11-19-2015

20120026140

DISPLAY DEVICE WITH IMAGE CAPTURING FUNCTION - A display device with an image capturing function includes a power supply and a thin film transistor liquid crystal display (TFT-LCD) and a processing unit. The processing unit includes a capturing module and a control module. The capturing module is placed on a back side of the TFT-LCD, and captures images of an object on a front side of the TFT-LCD. The control module is used for controlling the power supply to switch the TFT-LCD between a light permeating state and a light semi-permeating state. The control module is further used for controlling a capturing rate of the capturing module to be at least an integer multiple of a switch rate of the TFT-LCD between the light permeating state and the light semi-permeating state.

02-02-2012

20130207952

Display Screen and Terminal Device Using Same - A display screen, terminal device using same and method for controlling same are described. The display screen includes a display panel portion configured to display an image based on inputted image data; a transparent fixing component, which is located above the display panel portion, configured to protect the display panel portion; and a camera unit provided on a first area of the display panel portion. By way of the above configuration, a user looks directly at the display screen during a video call or video chat. In this way, the user looks directly at the camera component which takes a video of the user, so that the users participating in the video call feel they are achieving eye contact, thus enhancing the experience of video calls and chats.

08-15-2013

20090278828

Method and Apparatus for Automatic Brightness Adjustment on a Display of a Mobile Electronic Device - A system and method is provided for use in a mobile electronic device for adjusting brightness of a display on the mobile electronic device. The method comprises collecting a plurality of light sensor samples using an ambient light sensor of the mobile electronic device; calculating a representative value of the plurality of light sensor samples; comparing the representative value to at least one brightness threshold value; determining if a predetermined application is active on the mobile electronic device; determining whether to adjust the brightness of the display based on the comparison and based on whether predetermined application is active on the device; and adjusting the brightness of the display.

11-12-2009

20110216050

APPARATUS AND METHOD FOR ENHANCING READABILITY OF A CHARACTER - A method and apparatus are provided for enhancing the readability of a character. The method includes determining ambient light of a mobile terminal and controlling background color and character color of a character image according to the determined ambient light. The method may further include performing an additional control according to the types of displays when controlling the background color and character color. Through this, it is possible to display a character image with enhanced visibility, while minimizing current consumption.

09-08-2011

20130207948

TRANSPARENT DISPLAY APPARATUS AND METHOD FOR OPERATING THE SAME - A transparent display apparatus includes a transparent image panel including a plurality of sub-pixels, a data driver to apply a data signal to the sub-pixels, a gate driver to apply a gate driving signal to the sub-pixels, a timing controller to control the data driver and the gate driver in response to a first image signal, and a window disposed on a surface of the transparent image panel and including a plurality of light sensors arranged thereon. Each of the light sensors senses an external incident light and applies a sensing signal corresponding to the sensed external incident light to the timing controller, and the timing controller applies a second image signal to the data driver on the basis of the sensing signal and the first image signal.

08-15-2013

20130321369

Display Brightness Adjustment - A display comprising an array of pixels having individually adjustable brightness levels; an array of light sensors fixed relative to the pixel array; and a brightness controller for estimating a glare footprint on the pixel array from light level data provided by the sensor array and for adjusting the relative brightness levels of pixels that fall in the estimated glare footprint.

12-05-2013

20130321368

APPARATUS AND METHOD FOR PROVIDING IMAGE IN TERMINAL - An apparatus and a method for providing an image to allow a user to feel the perspective of images on a terminal depending on his or her gaze position and distance are provided. The apparatus includes a camera module for capturing a face image and a controller for displaying an image by rearranging a plurality of screen layers constituting the image depending on a change in positions of two eye images extracted from the face image captured by the camera module.

12-05-2013

20160109740

DISPLAY PANEL AND DISPLAY DEVICE HAVING THE SAME - A display panel includes a first substrate including a transistor; a pixel electrode electrically connected to the transistor; a common electrode opposing the pixel electrode; an emission layer between the pixel electrode and the common electrode, the emission layer emitting light; a second substrate opposing the first substrate; a light control electrode on the second substrate; and a filling layer between the light control electrode and the common electrode, a refractive index of the filling layer being changed based on a voltage difference between the light control electrode and the common electrode.

04-21-2016

20100259521

DRIVING DEVICE AND DRIVING METHOD OF PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS - A two-phase driving operation is performed by a first circuit and a second circuit in at least one sub-field. The first circuit applies a first ramp waveform that drops from a first potential to a second potential to a plurality of first scan electrodes in a setup period, and sequentially applies a scan pulse to the plurality of first scan electrodes in a write period. The second circuit applies a second ramp waveform that drops from the first potential to a third potential that is higher than the second potential to a plurality of second scan electrodes, and then raises the plurality of second scan electrodes to a fourth potential in the setup period, and holds the plurality of second scan electrodes at a fifth potential that is higher than the third potential and lower than the fourth potential in a period where the first scan pulse is applied, and then sequentially applies a scan pulse to the plurality of second electrodes in the write period. Discharge failures during write discharges can be prevented from occurring by employing the two-phase driving operation.

10-14-2010

20160086576

DISPLAY DEVICE INCLUDING A BACKLIGHT UNIT - A display device is provided. The display device includes a display panel driving unit and a backlight unit. The display panel driving unit generates a data signal to display an image on a display panel of the display device and to output a first light control signal and a second light control signal in response to a mode signal. The backlight unit provides first light having a first color to the display panel in response to the first light control signal and provides second light having a second color to the display panel in response to the second light control signal. The display panel driving unit adjusts a pulse width of the first light control signal or a pulse width of the second light control signal in response to the dimming signal.

03-24-2016

20140340374

CALIBRATION APPARATUS, CONTROL METHOD THEREOF, AND IMAGE DISPLAY APPARATUS - A calibration apparatus including: a measuring unit configured to measure optical characteristics at a measurement position on a screen of an image display apparatus; a storing unit configured to store information on correspondence determined in advance among the optical characteristics at the measurement position and optical characteristics at a plurality of prescribed positions on the screen; an acquiring unit configured to acquire a representative position of an image displayed on the screen; and a calibrating unit configured to perform calibration based on the measurement value measured by the measuring unit, information on the correspondence, and a positional relationship among the plurality of prescribed positions and the representative position.

11-20-2014

20140085282

SEE-THROUGH OPTICAL IMAGE PROCESSING - Systems and methods for performing optical image processing via a transparent display are disclosed. In one example approach, a method comprises determining a position of incident light on a see-through display device, determining a direction of the incident light relative to the see-through display device, and modulating, with the see-through display device, a transmission of the incident light through the see-through display device based on the determined position and determined direction of the incident light.

03-27-2014

20130155041

DISPLAY CONTROL DEVICE AND CONTROL METHOD FOR DISPLAY CONTROL DEVICE - A display control device including a display unit includes a proximity detection unit configured to output a proximity detection signal when a predetermined condition to determine whether an object approaches the display control device is satisfied, an illuminance detection unit configured to detect illuminance of ambient light, and a control unit configured to control the display unit not to be turned off when the proximity detection unit outputs the proximity detection signal while the illuminance of ambient light detected by the illuminance detection unit is greater than a predetermined value, and to control the display unit to be turned off when the proximity detection unit outputs the proximity detection signal while the illuminance of ambient light detected by the illuminance detection unit is equal to or less than the predetermined value.

06-20-2013

20120293472

Ambient Light Sensor Configured to Determine the Direction of a Beam of Ambient Light Incident Thereon - Various embodiments of an ambient light sensor configured to determine the direction of a beam of light incident thereon are disclosed. In one embodiment, an ambient light sensor is provided that comprises a plurality of light detectors arranged in a spatial array upon a light sensing surface. Each of the light detectors in the array is configured to generate an analog output voltage in response to the beam of ambient light falling thereon. The amount of light incident on the individual light detectors in the spatial array varies according to the position of each such sensor with respect to direction of the beam of ambient light. An analog-to-digital converter (ADC) is operably coupled to the plurality of light detectors and is configured to receive the analog output signals generated thereby as inputs thereto, and to provide digital output values representative of the analog signals. Control logic circuitry is operably coupled to the ADC and configured to receive the digital output values therefrom, and is further configured to process such digital output values to determine the direction of the beam of light incident upon the spatial array.

11-22-2012

20130278577

SENSING DEVICE AND METHOD FOR SENSING IMAGE - The sensing device is provided. A sensing device according to an exemplary embodiment of the present invention includes a lower panel, an upper panel facing the lower panel, a liquid crystal layer positioned between the lower panel and the upper panel, an infrared ray sensor formed in at least one of the lower panel and the upper panel, a visible light sensor formed in at least one of the lower panel and the upper panel, and a backlight device positioned at an outer surface of the lower panel, wherein the backlight device includes a plurality of light emitting members representing different colors and an infrared ray light emitting member.

10-24-2013

20160086537

ORGANIC LIGHT-EMITTING DISPLAY AND METHOD OF COMPENSATING FOR DEGRADATION OF THE SAME - Provided are an organic light-emitting display comprising: a display panel which comprises a plurality of pixels, each of the pixels having an organic light-emitting diode (OLED); a sensor configured to detect degradation data indicating a degree of degradation of the OLED of each of the pixels and configured to calculate a degradation data difference between two or more adjacent pixels among the pixels; and a controller configured to set a compensation area utilizing the degradation data difference and configured to generate compensated image data by compensating in the compensation area in input image data.

03-24-2016

20120019494

ALIGNMENT FACTOR FOR AMBIENT LIGHTING CALIBRATION - A method, system, and apparatus that can be used to operate a display device in an energy efficient manner. The energy efficient display device can effectively and efficiently compensate for changes in ambient light incident at a display screen of the display device using an internal ambient light sensor to provide control signals to a backlight driver. Data from the ambient light sensor can be at least partially corrected to correspond more closely to a response of a Lambertian responsive light sensor

01-26-2012

20130069924

DATA DISPLAY ADAPTED FOR BRIGHT AMBIENT LIGHT - Systems and method to generate more readable modified images that are presented on electronic displays in bright ambient light, such as direct sunlight. Images normally presented in lower ambient light are modified to generate modified images that have higher contrast and that contain less information. For example, modified images contain pixels that are either “on” or “off” and may be inverted to present a black on white background image on the display. Some information, such as text fields or icons, is removed from the modified image to increase readability in bright ambient light. A backlight level of the display is also able to be increased in bright ambient light.

03-21-2013

20120001880

DISPLAY DEVICE - A display device includes a photosensor in a pixel region (

01-05-2012

20110122108

Semiconductor device and display device - It is an object to perform imaging a high-resolution image in a display device including a photosensor regardless of the intensity of incident light on the photosensor. A display device including a display panel which is provided a photosensor and having a function of imaging by a change of the sensitivity of the photosensor in accordance with the incident light is provided. The sensitivity of the photosensor is improved when the intensity of the incident light is low, so that the imaging accuracy is improved; therefore, misperception of contact is prevented and an obtained image can be clear.

05-26-2011

20090303215

DISPLAY CONTROL APPARATUS AND DISPLAY CONTROL METHOD - A display control apparatus includes an external light detection unit configured to detect ambient brightness of a display apparatus, a variation detection unit configured to detect a variation of orientation of the display apparatus, and a control unit configured to adjust display luminance of the display apparatus according to the ambient brightness detected by the external light detection unit and the variation detected by the variation detection unit.

TOUCH-SENSOR-EQUIPPED DISPLAY DEVICE - Provided is a display device having a photodetecting element in a pixel, and having an input function that is not dependent on light environments. This is a display device having an optical sensor in a pixel region. The optical sensor includes a first sensor pixel circuit that outputs a sensor signal corresponding to electric charges accumulated during an accumulation period in an ON time of a light source for the sensor; and a second sensor pixel circuit that that outputs a sensor signal corresponding to electric charges accumulated during an accumulation period in an OFF time of the light source. A sensor driving circuit for driving the first sensor pixie circuit and the second sensor pixel circuit supplies reset signals (RST

03-07-2013

20110001737

Methods and Systems for Ambient-Adaptive Image Display - Aspects of the present invention comprise systems and methods for determining image content characteristics, determining ambient illumination conditions, selecting an appropriate backlight level based on the image content characteristics and the ambient illumination conditions and selecting a tone scale curve for image enhancement wherein the tone scale curve is intended to enhance the image for display under the ambient illumination conditions using the selected backlight level.

01-06-2011

20110227888

FLAT PANEL DISPLAY - A flat panel display including a first substrate comprising an emission region and a non-emission region, a light emission unit on the emission region, a first sensing unit on the non-emission region, and a second sensing unit on the non-emission region, wherein the first and second sensing units are arranged to allow determination of a tilt angle of the flat panel display using light intensities measured by the first and second sensing units.

09-22-2011

20110012878

LIGHT SENSOR TEST UNIT, METHOD OF TESTING LIGHT SENSOR USING THE SAME AND DISPLAY APPARATUS - In a light sensor test unit, a test circuit is built in a display panel and connected to an output node of a light sensor which senses an intensity of an external light. When external light having a predetermined intensity is provided to the light sensor, the test circuit outputs a driving signal in response to a sensing signal output from the output node. A test pixel part includes pixels selected from a plurality of pixels arranged in the display panel and receives the driving signal from the test circuit to display a gray-scale corresponding to the driving signal. A brightness measurer measures a brightness corresponding to the gray-scale displayed in the test pixel part to compare the measured brightness with a predetermined brightness, thereby testing whether the light sensor built in the display panel is normally operated.

01-20-2011

20120223924

IMAGE PROCESSING APPARATUS - An image processing apparatus corrects an input image based on a correction amount determined based on an illuminance, and adjusts a specifying value for specifying brightness of a backlight of a display based on the correction amount.

09-06-2012

20090303216

DISPLAY DEVICE AND CONTROL METHOD THEREOF - Display device technology, in which an illumination sensor senses illumination of surroundings of a location where a display device is installed and image signals to be displayed are received. An average picture level of a received signal is detected and a controller controls brightness of a backlight associated with the display device based on the illumination sensed by the illumination sensor and the detected average pixel value.

DISPLAY DEVICE - A display device includes a backlight unit generating a first light, a transparent light emitting sheet disposed on the backlight unit and including a light converting unit excited by the first light and generating a second light having a different wavelength from the first light, a display panel facing the backlight unit with the transparent light emitting sheet in-between and receiving the first and second lights, and a capturing unit provided between the transparent light emitting sheet and the backlight unit and capturing an image of a subject disposed on a front of the display panel.

05-12-2016

20100149147

DIGITAL PHOTO FRAME HAVING A BUILT-IN SCANNER - The present invention relates to a digital photo frame, which includes a scanner to convert a picture into an image data file, wherein the scanner is a sheetfed scanner, and the scanner can reduce the scanning size limitations of a flatbed scanner and to promote the utility of the digital photo frame.

06-17-2010

20100090999

Display device and the driving method thereof - A display device and a driving method thereof. The display device detects luminance data from an input video signal, detects the amount of change of the luminance data, detects contour of an image displayed from the input video signal, and emphasizes the detected contour to generate a converted input video signal. The display device compensates the converted input video signal by comparing a data size of the converted input video signal with that of the input video signal and controlling the data size of the converted input video signal to be less than that of the input video.

04-15-2010

20110063269

FLAT PANEL DISPLAY AND METHOD FOR DRIVING THE FLAT PANEL DISPLAY - A flat panel display including a display unit, the display unit displaying a first image, an input unit, the input unit being positioned adjacent to the display unit when the display unit is folded toward the input unit, at least one sensor, the sensor detecting luminance information of a second image displayed on the display unit when the display unit is folded toward the input unit, and an optical correction unit, the optical correction unit receiving the luminance information from the sensor and correcting a luminance of the display unit using the luminance information.

03-17-2011

20140118318

METHOD AND SYSTEM FOR AUTOMATICALLY ADJUSTING AUTOSTEREOSCOPIC 3D DISPLAY DEVICE - A method for automatically adjusting an autostereoscopic three-dimensional (3D) display device is provided. The method includes steps of: displaying an autostereoscopic 3D frame by the autostereoscopic 3D display device; capturing a left-eye frame and a right-eye frame of the autostereoscopic 3D frame by two image capturing devices located at a left-eye position and a right-eye position, respectively; selecting multiple sampling points from the left-eye and right-eye frames; and analyzing the number of the sampling points satisfying a predetermined condition to determine a display angle.

05-01-2014

20130201168

Digital Photo Frame with Power Saving Function and Related Power Saving Method - A digital photo frame having power saving functions includes a display panel, a power generation unit for switching a system power according to a power control signal, a passive infrared sensor installed on the display panel for detecting whether a user exists within a specific range to generate a user detection signal, a central processing unit for adjusting backlight intensity of the display panel when the system power is provided by the power generation unit according to the user detection signal and for generating a power switch-off signal when the backlight intensity of the display panel is turned off according to the user detection signal, and a power control unit for generating the power control signal to switch off the system power when the backlight intensity of the display panel is adjusted to be switched off according to the power switch-off signal.

08-08-2013

20110298765

Power Calibration of Multiple Light Sources in a Display Screen - A display device with multiple light sources includes a first detector for detecting a brightness of one or more different portions of the image formed on the display device, a second detector that measures output intensities of the light sources, and a controller that records correlation values that correlate input power settings of the light sources with the detected brightness and the measured output intensities. During operation of the display device, the controller applies the correlation values to determine the proper input power settings of the light sources so that brightness uniformity among the multiple light sources can be achieved.

12-08-2011

20150062102

DRIVING METHOD OF IMAGING DEVICE AND DRIVING METHOD OF IMAGING SYSTEM - A driving method of an imaging device, and a driving method of an imaging system set the number of unit cells based on signals output from a plurality of unit cells in a phase difference detection area within an imaging area to a number larger than the number of unit cells based on signals output from a plurality of unit cells in a range other than the phase difference detection area within the imaging area.

03-05-2015

20160005354

Display Apparatus - Disclosed is a display apparatus. The display apparatus performs external compensation by using sensing data generated through actual sensing and calculation data which is calculated based on the sensing data with a median filter.

01-07-2016

20090284507

AMBIENT LIGHT DETECTION DEVICE - An ambient light detection device for use with a liquid crystal display having an array of liquid crystal cells, each liquid cell having at least one transistor for selectively connecting that liquid crystal cell to a signal line and each transistor having a gate connected to a gate line and having a gate supply line selectively connectable to the gate line for turning off the gates. The device includes a current measuring circuit configured to measure the current flowing in the gate supply line as a result of gate leakage current in the gates to which the gate supply line is connected and a controller connected to the measuring circuit and configured to calculate, from the measured current, the level of ambient light reaching the gates.

11-19-2009

20090284506

IMAGE DISPLAY DEVICE DISPLAYING IMAGE BY APPLYING LASER LIGHT - A scanning position of laser light applied to a projection plane is detected, and based on the detected scanning position, a synchronization signal is generated to designate a scan timing. A correction region detection portion detects whether or not a part corresponding to a prescribe region of an image on the projection plane is scanned by laser light, based on the generated synchronization signal. When the part corresponding to the prescribed region is scanned, a correction amount derivation portion corrects a gradation signal based on the difference between the detected quantity of laser light and a prescribed quantity of light to be output from the laser for displaying the image in the prescribed region.

11-19-2009

20120098806

SYSTEM AND METHOD OF MODIFYING LIGHTING IN A DISPLAY SYSTEM - The present invention describes a display system. The display system includes a display, the display including a display screen capable of operating in a transparent mode; a lighting characteristic assessment component for determining the lighting characteristics of the content on the display screen and the lighting characteristics behind the display screen; and an adaptive lighting control component for controlling of an at least one lighting source and the lighting characteristics of the content on the display screen, wherein based on a comparison of the lighting characteristics of the content on the display screen and the lighting characteristics behind the display screen, modifying at least one of the lighting characteristics of the content on the display screen or the lighting characteristics of the at least one lighting source.

04-26-2012

20100245310

LUMINANCE CONTROL METHOD AND DISPLAY - A display device includes a display panel, a light emitting device that provides backlight to the display panel, and a control device that determines the brightness of the backlight that the light emitting device should provide. The control device detects a timing when the brightness of the backlight illuminating the display panel is switched; recognizes an updated brightness level that should replace, as the one to be applied, an initial brightness level representing the brightness of the backlight at the detection timing; and changes the brightness of the backlight step by step after the detection timing from the initial brightness level to the updated brightness level.

09-30-2010

20110074751

DEVICE AND METHOD FOR IMPROVING CONTRAST RATIO OF DISPLAY PANEL AND IMAGE DISPLAY SYSTEM - A contrast ratio improving device includes a controller and a photo detector. A contrast ratio improving method for use with a display panel includes the following steps. Firstly, multiple voltage values are applied to the display panel. Then, the brightness values corresponding to the voltage values applied to the display panel are detected. Afterwards, a voltage value corresponding to a specified value of the brightness values is selected as a peak voltage of the display panel. An image display system is also provided. The image display system includes a display panel and a memory. The memory stores a peak voltage obtained by the contrast ratio improving method.

03-31-2011

20110074753

Display apparatus - A display apparatus includes a pixel array that has pixel units arranged in a matrix on the basis of a predetermined array pattern, each pixel unit having a light emitting element formed therein and having a structure configured to emit light generated from the light emitting element. In the structure of the pixel unit, a photodetection element which allows a current to flow in response to received light is provided to correspond to an inner area of a light emitting layer which forms the light emitting element. The pixel unit has a light incidence structure configured to allow the light, which is generated from the light emitting element, to be incident to the photodetection element.

Organic light emitting diode display - An organic light emitting diode (OLED) display that includes a first substrate having a display area, a photo sensor arranged on a first substrate external to the display area, and a condensing lens arranged at an upper portion of the photo sensor to condense external light into the photo sensor, allowing the photo sensor to more efficiently detect an amount of external light. In this OLED display, an automatic luminance control function can be efficiently performed by increasing a condensing efficiency of the photo sensor.

04-15-2010

20100033457

APPARATUS AND METHOD FOR DISPLAYING SCREEN ACCORDING TO INTENSITY OF BRIGHTNESS OF AMBIENT LIGHT - Disclosed are an apparatus and a method for display of a screen according to brightness intensity of ambient light. One or more characteristic values configuring display data is set to be higher than a preset color characteristic value when measured brightness intensity of ambient light is higher than preset brightness intensity of ambient light, and one of the set color characteristic values is converted to a contrast characteristic value and is displayed. Therefore, even when brightness intensity of ambient light is high, the user can accurately view a screen.

02-11-2010

20150325167

DISPLAY DEVICE - A display device is disclosed. In one aspect, the device includes a display panel including a display region and a non-display region and a housing accommodating the display panel therein. The device also includes a light sensing unit interposed between the display panel and the housing, the light sensing unit facing the display panel in the non-display region. The light sensing unit is configured to detect light that is totally reflected from the display panel and is emitted from a side of the display panel.

11-12-2015

20100073339

System and method for correcting gamma - Disclosed is a system and method for correcting a gamma for shortening a gamma correction time period and improving gamma correction efficiency and reliability thereof, and simplifying a gamma correction device for reducing a production cost of image display devices.

03-25-2010

20110080391

DISPLAY DEVICE - A display device includes a photosensor in a pixel region (

04-07-2011

20110080390

DISPLAY DEVICE - Provided is a display device with a photosensor having little variation between sensors. The display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodetection element (M

04-07-2011

20110074750

ELECTROLUMINESCENT DEVICE AGING COMPENSATION WITH REFERENCE SUBPIXELS - An electroluminescent (EL) device including an illumination area having one or more primary EL emitters; a reference area having a reference EL emitter; a reference driver circuit for causing the reference EL emitter to emit light while the EL device is active; a sensor for detecting light emitted by the reference EL emitter; and a measurement unit for detecting an aging-related electrical parameter of the reference EL emitter while it is emitting light. The device further includes a controller for receiving an input signal for each primary EL emitter in the illumination area, forming a corrected input signal from each input signal using the detected light and the aging-related electrical parameter, and applying the corrected input signals to the respective primary EL emitters in the illumination area.

03-31-2011

20110050662

DISPLAY - A display includes a housing including a frame, a panel fixedly arranged inside the frame and including a front pane which presents a picture visible in a viewing area substantially in front of the front pane, a sensor fixedly coupled to the housing and arranged in the viewing area in front of the front pane which receives at least one spectral radiation component of the picture emitted by the panel, and wherein the sensor is fixed on the frame such that it receives visible radiation of a surrounding area of the display.

03-03-2011

20110115767

SENSOR DEVICE, METHOD OF DRIVING SENSOR ELEMENT, DISPLAY DEVICE WITH INPUT FUNCTION AND ELECTRONIC APPARATUS - Techniques are described for detecting and compensating for characteristic changes of a photoelectric conversion element, such as changes related to the temperature of the photoelectric conversion element. A display device that includes an I/O display panel and a light-receiving drive circuit is disclosed. The I/O display panel includes a plurality of display pixels; and a plurality of photoelectric conversion elements including a first photoelectric conversion element that substantially is shielded from light and a second photoelectric conversion element that is exposed to light. The light-receiving drive circuit receives a first detection signal from the first photoelectric conversion element and resets the second photoelectric conversion element based on the first detection signal.

05-19-2011

20110115766

Energy efficient display system - A method for displaying an image on a display includes receiving a two dimensional image to be displayed on the display. The two dimensional image may be modified using a non-photorealistic technique and the contrast is reduced. At least one of the modifying and reducing is based upon a power usage factor. Also, the system may modify the power usage based upon audio, presence, smart meters, and brightness preservation.

05-19-2011

20150326770

INFORMATION PROCESSING APPARATUS AND METHOD, AND PHOTOELECTRIC CONVERSION APPARATUS - An information processing apparatus includes: multiple optical propagation paths configured to propagate light; a photoelectric conversion element configured to perform photoelectric conversion on light propagated through each of the multiple optical propagation paths at mutually different partial areas in a photoelectric conversion area; and an estimating unit configured to estimate illuminance or color temperature to be obtained at the photoelectric conversion element, using an electric signal corresponding to light propagated through each of the optical propagation paths.

SYSTEMS AND METHODS FOR FACILITATING LIFT-OFF PROCESSES - Systems and methods for facilitating lift-off processes are provided. In one embodiment, a method for pattering a thin film on a substrate comprises: depositing a first sacrificial layer of photoresist material onto a substrate such that one or more regions of the substrate are exposed through the first sacrificial layer; depositing a protective layer over at least part of the first sacrificial layer; partially removing the first sacrificial layer to form at least one gap between the protective layer and the substrate; depositing an optical coating over the protective layer and the one or more regions of the substrate exposed through the first sacrificial layer, wherein the optical coating deposited over the protective layer is separated by the at least one gap from the optical coating deposited over the regions of the substrate exposed through the first sacrificial layer; and removing the first sacrificial layer.

11-22-2012

20120194492

ACTIVE MATRIX DEVICE - An active matrix device is provided which includes N array elements arranged spatially in a sequence of first through Nth array elements (where N is an integer ≧2); the N array elements each including a write input for receiving a corresponding write input signal which controls operation of the array element, and a sense circuit for sensing a property of the array element and providing a sensor output based on the sensed property; and further including a manipulation circuit including logic circuitry connecting the sensor output from an nth array element in the sequence directly to the write input of an (n+1)th array element and configured to provide the write input signal to the write input of the (n+1)th array element based on the sensor output from the nth array element.

DISPLAY DEVICE - A plurality of sensor pixel circuits are disclosed for detecting a difference between an amount of light when a backlight is turned on and an amount of light when the backlight is turned off are arranged in a pixel region. The backlight is turned on and off a plurality of times, respectively, in a one-frame period. Each of reset for the sensor pixel circuits and read from the sensor pixel circuits is performed in parallel, each in a line sequential manner over almost the one-frame period. A plurality of sensor pixel circuits of two types for separately detecting an amount of light when the backlight is turned on and an amount of light when the backlight is turned off may be arranged in the pixel region, and a difference circuit may be used for obtaining a difference between the two types of amounts of light.

07-12-2012

20120176355

Display Device - A plurality of first sensor pixel circuits each sensing light during a sensing period when a backlight is turned on and retaining the amount of sensed light otherwise in accordance with a clock signal and a plurality of second sensor pixel circuits each sensing light during a sensing period when the backlight is turned off and retaining the amount of sensed light otherwise in accordance with a clock signal are arranged in a pixel region. The sensor pixel circuits of two types are connected to different output lines, so that a difference between two output signals is obtained at the outside of the sensor pixel circuit. The sensor pixel circuits described above are used for detecting a difference between an amount of light to be incident when the backlight is turned on and an amount of light to be incident when the backlight is turned off.

07-12-2012

20110032227

ELECTRONIC BOOK - An object is to improve visibility without causing increases in device size and cost. Another object is to improve visibility and reduce the burden on a user without blocking external light when reflection of external light is high. An electronic book includes a display panel having an electrophoretic display element controllable by a pixel circuit of each pixel, and an illuminance sensor, and a display control portion having a circuit configured to correct an image signal for the electrophoretic display element to display a grayscale image in accordance with illuminance that is detected by the illuminance sensor.

02-10-2011

20110032230

CONTROL DEVICE AND CONTROL METHOD FOR IMAGE DISPLAY - A control device for an image display includes at least two reference points, a modulation unit and a remote controller. The modulation unit modulates the light of a predetermined spectrum generated by the reference points with a brightness variation cycle. The modulation unit controls the reference points to emit the light with a first brightness within a first period of the brightness variation cycle and to emit the light with a second brightness within a second period of the brightness variation cycle, wherein the first brightness and the second brightness are not zero gray level. The remote controller captures the light of the predetermined spectrum with a sampling cycle and demodulates an image variation of the reference points with respect to the remote controller. The present invention further provides a control method for an image display.

02-10-2011

20160035285

METHOD AND APPARATUS FOR CONTROLLING BRIGHTNESS OF AN IMAGE DISPLAY - An image display apparatus and a method thereof are provided. The image display apparatus includes a display configured to display an image; a sensor configured to detect a condition of a surrounding environment of the image display apparatus; and a brightness adjuster configured to change, in response to detection of a change in the condition of the surrounding environment of the image display apparatus, a screen brightness of the display based on the detected changed condition of the surrounding environment.

02-04-2016

20120127141

DISPLAY DEVICE - A display device having an infrared receiver module. The display device includes a display part on which an image is displayed, a bezel part formed along an outer edge of the display part, an infrared receiving part provided on the bezel part, and the infrared receiver module disposed at a rear surface of the infrared receiving part and including an infrared sensor to receive an infrared signal and a plate-shaped printed circuit board on which the infrared sensor is mounted, and a distance from the outer edge of a side surface of the display part to a most distant portion of the infrared receiver module mounted on the printed circuit board in the sideward direction is shorter than a length from the outer edge of the side surface of the display part to a most distant portion of the printed circuit board.

05-24-2012

20110050661

LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device is capable of automatically adjusting a color display parameter according to external light. The LCD device includes an LCD panel, a backlight module, a photosensitive module, and a controller. The LCD panel has a display region and a light-incident region. The backlight module is disposed below the LCD panel and corresponding to the display region. The photosensitive module is disposed below the LCD panel and corresponding to the light-incident region, for receiving an optical signal passing through the LCD panel and converting the optical signal into an electrical signal. The controller is electrically connected to the LCD panel and the photosensitive module, for automatically adjusting a color display parameter of the LCD panel according to the electrical signal.

03-03-2011

20110096047

DISPLAY DEVICE AND SEMICONDUCTOR DEVICE - An object is to detect reflected light from an object accurately and to improve accuracy of capturing an image in a photosensor included in a display panel. In the display panel including a photosensor, when an image of an object is captured, light is emitted from a light source to the object and reflected light enters the photosensor. In the case where the incident light is too strong with respect to sensitivity of the photosensor, luminance of the light source is lowered. In the case where the incident light is too weak with respect to sensitivity of the photosensor, the luminance of the light source is increased.

04-28-2011

20110096049

DISPLAY DEVICE - A display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodiode (D

04-28-2011

20110096048

DISPLAY BRIGHTNESS ADJUSTMENT - Embodiments of the present invention can receive a data point defining an ambient light level associated with a display and a corresponding brightness adjustment of the display with respect to a reference brightness. The embodiments can then define a brightness response model for the display based on the data point and at least one additional data point.

04-28-2011

20120182277

DISPLAY PANEL HAVING EMBEDDED LIGHT SENSORS - A display panel includes a plurality of pixels disposed on a first panel substrate of first and second panel substrates that face each other and cooperate to display an image. The second panel substrate includes a base substrate, a read-out line, a first insulating layer, a scan line, a switching device, and a light sensor. The read-out line is disposed on the base substrate and extended in a direction. The first insulating layer is disposed on the read-out line. The scan line is extended to cross the read-out line and disposed on the first insulating layer. The switching device includes a first electrode connected to the scan line, a second electrode connected to a read-out line, and a third electrode spaced apart from the second electrode. The light sensor is structured to selectively detect lights of predetermined wavelengths and connected to the third electrode of the switching device.

OPTICAL SENSOR AND DISPLAY DEVICE PROVIDED WITH THE SAME - The present invention provides an optical sensor at least some part of which is formed monolithically in an active matrix substrate of a display device. In order to detect ambient light with high accuracy by eliminating the influences of stray light and of property variations between photodetecting elements, the optical sensor includes a detection photodiode (

08-18-2011

20130257835

AUTOMATIC BRIGHTNESS CONTROL FOR DISPLAYS - An automatic brightness adjustment for devices with displays includes the capability to assess ambient light. The assessment may be made using circuitry, such as a light meter circuit, by exploiting exposure control circuitry, or using other approaches. The ambient light value is sent to a brightness adjustment driver, which may employ a look-up table to keep track of brightness adjustments for particular ambient conditions. The look-up table may include distinct adjustment values

10-03-2013

20110080389

ELECTRONIC APPARATUS - An electronic apparatus includes an image display panel that includes an image display screen to display an image on a front side; a light emitting/receiving unit that is disposed at an end of a first side of the image display panel and emits and receives light to detect a position of an object proximal to or on a front surface of the image display panel; a cover that exposes the image display screen and that includes a plate covering at least the first side of the front surface of the image display panel with a gap; and a reinforcement component that contacts the plate between the image display panel and the plate.

04-07-2011

20120032933

ELECTRONIC DEVICE HAVING SOLAR ENERGY MODULE - An electronic device includes a display and a housing configured to house the display. A solar energy module is arranged in the housing, and configured for converting light into electricity. A light guide member includes an optical film with a micro-structure, which guides light incident on the light guide member to be split at a preset angle. The light guide member is arranged on and covers the display, and is configured for guiding incident light to the solar energy module.

02-09-2012

20100141624

ADAPTIVE METHOD FOR ACQUIRING COLOR MEASUREMENTS - A system and method for measuring a color parameter values of a display for calibration purposes. An initial measurement of the color parameter value from the display is performed. Next, a number of additional measurements is determined in response to the value of the initial color parameter value. The color parameter value of the display is measured by the number of additional measurements in order to determine an average color parameter value of the display which will be used for calibration purposes.

06-10-2010

20110007048

SYSTEM AND METHOD FOR USING PIXELS OF A DISPLAY DEVICE TO COMMUNICATE OPTICAL INFORMATION OVER A COMMUNICATIONS LINK - A system for communicating over an optical communications link is provided that uses at least one display pixel of a display device to transmit optical information bits and at least one sensor pixel of the display device to receive optical information bits. To transmit optical information bits, a controller of the display device causes the transmitter display pixel to switch between at least first and second optical display conditions to produce a modulated optical signal representative of one or more information bits. To receive optical information bits, the controller reads the electrical sense signal produced by the receiver sensor pixel and interprets the electrical sense signal read from the receiver pixel as corresponding to one or more information bits.

01-13-2011

20110007046

SMART DISPLAY DEVICES - Smart display devices are presented. The smart display device includes an electrowetting panel, a photo-detector device, and a panel driving control device, wherein the photo-detector device detects environmental light such that the electrowetting panel is driven by the panel driving control device accordingly. The electrowetting panel has an array of pixels, wherein each pixel includes a first substrate and an opposing second substrate with a polar fluid layer and a non-polar fluid layer interposed between the first and second substrates. A first electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic bank structure is disposed between the first and the second substrates.

01-13-2011

20140098079

IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF - An image display apparatus according to the present invention includes: a light emitting unit configured to include a light source; a display unit configured to display an image on a screen by transmitting light irradiated from the light emitting unit; a detection unit configured to detect light from the light source; and a control unit configured to extend a lighting duration of the light source when the detection unit detects light in a case where the lighting duration of the light source is shorter than a predetermined time length.

04-10-2014

20110254819

IMAGE DISPLAY APPARATUS - An image display apparatus is for correcting an input image signal and displaying an image on a display unit based on the corrected image signal, and includes: an illuminance detector for sequentially detecting illuminance values around the apparatus; an illuminance analyzer for sequentially outputting image settings for correction of the image signal depending on the detected illuminance values; a setting selector for outputting an image setting which has been output from the analyzer a number of times greater than a number of times any other image setting has been output, or an image setting determined by the statistic of the image settings output from the analyzer; and a setting application unit for changing the image setting used to correct the image signal to be equal to the image setting output from the selector, when a predetermined change occurs in the input image signal or when a predetermined time has come.

10-20-2011

20160117996

ELECTRONIC DEVICE AND METHOD FOR ADJUSTING BRIGHTNESS OF DISPLAY SCREEN OF THE ELECTRONIC DEVICE - In a method for adjusting brightness of a display screen of an electronic device, a current brightness value of the display screen and a current illumination value of ambient lights are acquired, and then are processed by denoising and normalizing. The current brightness value is adjusted to meet user preferences by self-learning according to the current illumination value and a brightness/illumination relationship table which stores a relationship between brightness values of the display screen and illumination values of ambient lights determined according to the user preferences.

04-28-2016

20110090193

DISPLAY DEVICE AND METHOD FOR DRIVING DISPLAY DEVICE - A matrix type display device including: a photosensor, provided in a display region, for outputting a signal corresponding to an intensity of light emitted to the photosensor; a TFT of n-channel type, the TFT serving as a source follower including a gate to which the signal is inputted; and light intensity detecting means for detecting the intensity of the light by detecting an output of the source follower, which is the TFT. In at least one embodiment, the TFT includes a drain to which a first pulse signal (Vpulse

04-21-2011

20130120330

SYSTEM AND METHOD FOR OPTIMIZING VISIBILITY, AND MOBILE DEVICE OPERATING WITH OPTIMIZED VISIBILITY - A visibility optimization system and method is provided. The visibility optimizing system includes a display mobile device; and a measurement device. The display mobile device displays an image and adjusts a brightness level of the displayed image according to a control from the measurement device. The measurement device photographs the displayed image, compares the photographed image with reference data, and creates a visibility table based on a comparison result of the photographed image with the reference data.

MEASUREMENT METHOD, COMPUTER PROGRAM, AND MEASUREMENT SYSTEM - A display light measurement method which can measure color representation of a various types of display devices regardless of the specification of the display device; a computer program, and a measurement system. A measurement device connected to an optical sensor can communicate with a target display device (information terminal) to be measured. The measurement device transmits content including a color patch to the display device to cause the display device to display the content and performs a measurement on the displayed content using the optical sensor. To perform measurements on many color patches, the measurement device repeats the following: when a measurement on one color patch being displayed is complete, the measurement device transmits content including another color patch to the display device to cause the display device to display the content and performs a measurement on the content being displayed.

12-04-2014

20160093251

DISPLAY DEVICE - A display device includes a first substrate, a second substrate disposed opposite to the first substrate, a connector connected to a first surface of each of the first and second substrates and covering at least a portion of side surfaces of each of the first and second substrates, a photo sensor disposed on the connector and facing the side surface of the first substrate, and a fixing member disposed between the first substrate and the connector, in which the photo sensor is inserted into the fixing member.

03-31-2016

20150138175

SYSTEMS AND METHODS FOR PRODUCING NARROWBAND IMAGES - A system may produce images including narrow-bandwidth colors. One or more sets of the narrow-bandwidth colors may be selected to be interpreted as substantially a same color by a user. The system may include a light source configured to produce the narrow-bandwidth colors, and/or narrow-passband filters may create narrow-bandwidth colors from light emitted by broad-spectrum light sources or color sources. Spatial and/or time multiplexing may be used to create separate narrow-bandwidth colors interpreted as substantially a same color by the user. The light source and/or the narrow-passband filter elements may be adjustable and may alternate between emission of two or more narrow-bandwidth colors. A viewing device may include filters configured to selectively filter the narrow-bandwidth colors. The user may filter the narrow-bandwidth colors to separate a stereoscopic image pair, to view an image specific to a user, to view desired content obfuscated by an obfuscating image, and/or the like.

05-21-2015

20160027378

DISPLAY DEVICE - A display device includes: a first substrate; a pixel defining layer on the first substrate, the pixel defining layer being configured to define a pixel area; a pixel electrode in the pixel area; a light emission layer on the pixel electrode; a common electrode on the light emission layer; a second substrate facing the first substrate; an edge black matrix on one surface of the second substrate, the edge black matrix being configured to define a non-display area; a reflective layer on the edge black matrix; a light guide part on one surface of the first substrate; and a light sensor unit configured to receive light emitted from the light guide part.

01-28-2016

20110221724

METHOD FOR DRIVING INPUT CIRCUIT AND METHOD FOR DRIVING DISPLAY DEVICE - To reduce power consumption. Included are a selection signal output circuit, a reset signal output circuit, and a plurality of photodetector circuits. After the selection signal output circuit outputs part of the selection signals, output of the other selection signals from the selection signal output circuit is stopped. After the reset signal output circuit outputs part of the reset signals, output of the other reset signals from the reset signal output circuit is stopped.

ILLUMINATION SENSING DEVICE HAVING A REFERENCE VOLTAGE SETTING APPARATUS AND A DISPLAY DEVICE INCLUDING THE ILLUMINATION SENSING DEVICE - A reference voltage setting apparatus including: a current generator having a first device to supply a first dark current and a second device to supply a second dark current; a first operational amplifying unit connected to the current generator; and a voltage setting unit connected to the first operational amplifying unit and setting a reference voltage having a compensated offset voltage of the first operational amplifying unit, and an illumination sensing device and a display device including the reference voltage setting apparatus.

05-05-2011

20110102390

DISPLAY DEVICE AND METHOD OF CONTROLLING DISPLAY DEVICE - A display device includes a flexible substrate, a display unit that has a plurality of light-emitting elements arranged on the substrate and displays an image according to an image signal, a displacement sensor that is disposed on a front surface or a back surface of the substrate and detects a state of a curve of the substrate, a light-receiving unit that is disposed on a plane of the substrate on which the display unit is disposed and detects the amount of light, and a signal control unit that controls an image signal for displaying the image based on the amount of light when the displacement sensor detects the curve of the substrate.

05-05-2011

20140111492

ELECTRONIC DEVICE WITH MICRO-PROJECTOR AND PROJECTING METHOD - A method of adjusting projector output according to environment, by an electronic device with micro-projector, is provided. The method includes capturing environmental information by a camera; adjusting the brightness of projector light source according to environmental information; and adjusting colors of contents for projection onto a particular screen. The electronic device is also provided.

04-24-2014

20110109605

DISPLAY DEVICE WITH IMAGE PICKUP FUNCTION, DRIVING METHOD, AND ELECTRONIC DEVICE - A display device with an image pickup function includes: a plurality of pixel signal lines each supplied with a pixel signal; a plurality of display pixels each performing a display operation based on the pixel signal; and a plurality of image pickup elements each including a photo-detector and a capacitor, the photo-detector generating a current of a magnitude corresponding to a photo-detection amount, the capacitor performing a discharging operation which follows a charging operation with the current from the photo-detector to output a charged voltage for a read operation. In the display device, a voltage level of the pixel signal line during the discharging operation is equal to a voltage level of the pixel signal line during the reading operation.

05-12-2011

20150109271

DISPLAY DEVICE AND USE THEREOF - The display device has a sensor system with at least one sensor for detecting the intensity or colour of light emitted from at least one display area of the display device into the viewing angle of the display device. The sensor system further has in one embodiment an at least partially transparent sensor. The sensor system has in another embodiment at least one optical coupling device including a light guide member and a incoupling member for guiding or directing, e.g. deflecting, reflecting, bending, scattering, diffracting, at least one part of the light emitted from the display area to the corresponding sensor, where the sensor is located outside or at least partially outside the viewing angle of the display device.

04-23-2015

20120105402

METHOD AND SYSTEM FOR ADJUSTING LIGHT OUTPUT FROM A LIGHT SOURCE - A light adjusting system, system including a light guide adapted to collect light from a light source. A calibration value for the light source is stored in a memory. A light detector is coupled with the light guide. S controller is electrically connected to an output of the light detector and detachably connected to a driver for driving the light source. The controller is adapted to control the driver responsive to the output of the light detector.

05-03-2012

20100177076

Edge-lit electronic-ink display device for use in indoor and outdoor environments - A wireless electronic-ink based display device for use in indoor and outdoor environments characterized by low and/or dynamic ambient lighting conditions. The wireless electronic-ink based display device has an ambient light level sensor for sensing ambient lighting conditions about the wireless electronic-ink based display device, and generating a drive control signal in response to sensed ambient lighting conditions. The wireless electronic-ink based display device also has an edge-lit LED-based illumination module, responsive to the drive control signal generated by the ambient light level sensor, for illuminating the display surface of its addressable electronic-ink display module during low-illumination ambient lighting conditions detected by the ambient light level sensor, under the control of a processor. In the illustrative embodiment, the processor runs a firmware routine which analyzes detected ambient light conditions made by the ambient light level sensor, and automatically generates the drive control signal provided to the edge-lit LED illumination module.

07-15-2010

20130307831

Wide angle imaging directional backlights - An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources and hence defines the relative positions of system elements and ray paths. The uncorrected system creates non-illuminated void portions when viewed off-axis preventing uniform wide angle 2D illumination modes. The system may be corrected to remove this non uniformity at wide angles through the introduction of additional sources away from the system's object plane, additional imaging surfaces, and/or by altering ray paths.

11-21-2013

20100177078

Dual-Function Light Guide for LCD Backlight - A light emitter/sensor includes a lamp, a light sensor, a light guide, and a light controller. The light guide has a pair of opposite ends and is optically-coupled to the lamp and the light sensor at one of the ends. The light guide is configured to convey light emitted from the lamp to the other end of the light guide, and from that other end to the light sensor. The light controller is coupled to the lamp and the light sensor and is configured to flash the lamp and to determine the intensity of light at that other end of the light guide, via the light guide and the light sensor, during an interval between the flashes.

07-15-2010

20110175872

DISPLAY DEVICE FOR CONVERTING BETWEEN BRIGHT AND DARK STATES AND METHOD THEREOF - The configurations and controlling methods of a display device are provided in the present invention. The proposed display device having an environmental brightness, a display content and a display background with a display brightness includes a light sensor sensing the environmental brightness and adjusting the display brightness according to the environmental brightness such that a reader could read the display content easily.

07-21-2011

20100253661

DISPLAY DEVICE AND ELECTRONIC APPARATUS EQUIPPED WITH THE SAME - A display device includes a display panel. The display panel has a visible-light transmissible polarizer at a side of receiving an external light, and includes a first optical sensor, a second optical sensor and a sensor output computing part. The first optical sensor is disposed on a substrate of the display panel and unsheltered by the polarizer for detecting the external light. The first optical sensor outputs a first signal in response to a detected wavelength component of the external light. The second optical sensor is disposed on the substrate of the display panel and sheltered by the polarizer for detecting a visible light passing through the polarizer. The second optical sensor outputs a second signal in response to a detected wavelength component of the visible light. According to the first signal and the second signal, the sensor output computing part computes a UV light intensity of the external light.

10-07-2010

20130194244

METHODS AND APPARATUSES OF EYE ADAPTATION SUPPORT - A device for reducing the brightness level of a portion of a display area of an imaging unit. The device comprises a gaze tracking unit adapted to assess eye gazing direction of an observer, a controllable transparency panel adapted to be mounted in front of a display area of an imaging unit and to display a changeable brightness reduction pattern having a original display brightness portion and a darkening portion therearound, and a controller which instructs the controllable transparency panel to change the brightness reduction pattern according to the eye gazing direction in real time so that the location of the original display brightness portion being correlated with the location of at least one fovea of the observer in real time.

08-01-2013

20160119614

DISPLAY APPARATUS, DISPLAY CONTROL METHOD AND COMPUTER READABLE RECORDING MEDIUM RECORDING PROGRAM THEREON - A display apparatus of an embodiment of the present invention includes a display unit, an illumination condition acquiring unit for acquiring an illumination condition including at least the direction of an external light source with respect to the display unit, a corrected image generating unit for generating a corrected image based on the illumination condition and an image to be displayed, and a display control unit for performing control to display the corrected image on the display unit.

04-28-2016

20150109270

ELECTRO-OPTIC DEVICE, DRIVING METHOD FOR ELECTRO-OPTIC DEVICE AND ELECTRONIC DEVICE - When a 2D display is performed, a controller causes a first selection signal to be in an active state during a given period, and causes a second selection signal to be in the active state during another given period after causing the first selection signal to be in a non-active state. When a 3D display is performed, the controller causes the first selection signal to be in the active state at a given timing point, cause the second selection signal to be in the active state during a period when the first selection signal is in the active state, and thereby cause an overlapping period to arise during a period which is part of a selection period for selecting signal lines corresponding to the first selection signal, and which is part of another selection period for selecting signal lines corresponding to the second selection signal.

04-23-2015

20100289783

SENSOR FOR MEASURING LIGHT INTENSITY AND THE PROCESS OF CALIBRATING A MONITOR - The invention is directed to a sensor for measuring light intensity. In one embodiment, the sensor includes a light sensor and an assembling device for attaching and allowing the dismantling of the sensor to a monitor wherein the sensor measures the light intensity generated by the monitor's screen. In another embodiment, the sensor may include an assembling device that connects to a monitor through mould-based connection or magnetic connection. In various embodiments the sensor may also include a linking device and an electronic control device wherein the linking device transmits the measurement data of light intensity to the electronic control device and has an operating radius that is large enough as to allow the positioning of the sensor on any part of the monitor's screen.

DISPLAY DEVICE HAVING OPTICAL SENSORS - The present invention relates to a display device in which a plurality of optical sensors are provided in a display panel. A liquid crystal panel with built-in sensors (

11-18-2010

20110234558

COLOR IMAGING USING COLOR LED ARRAY AS COLOR LIGHT-FIELD IMAGE SENSOR - A color light field sensor employing at least three inorganic LEDs, OLEDs, or related devices of differing emission colors to create respectively associated light amplitude measurement signals. The light amplitude measurement signals are used to produce a first output signal by subtracting a function of the light amplitude measurement signal associated with the mid-value wavelength LED from a function of the light amplitude measurement signal associated with lowest-value wavelength LED, produce a second output signal by subtracting a function of light amplitude measurement signal associated with highest-value wavelength LED from function of light amplitude measurement signal associated with mid-value wavelength LED, and produce a third output by taking function of light amplitude measurement signal associated with highest-value wavelength LED. The light sensor can be used to implement a lensless imaging camera, tactile or proximate gesture user interface, or a simultaneous combination, and can additionally simultaneously serve as an image display.

09-29-2011

20110032229

DISPLAY DEVICE AND ELECTRONIC APPARATUS COMPRISING THE SAME - A display device and an electronic apparatus comprising the same are disclosed. The display device can eliminate or reduce a noise effect on a result of detecting ambient light. The display device includes a light detecting device for detecting the ambient light. The light detecting device comprises a light detecting unit, a reference voltage generating unit and a comparing unit. The light detecting unit is configured to generate a light detecting voltage for indicating the intensity of the ambient light. The reference voltage generating unit is configured to generate a predetermined reference voltage. The comparing unit is configured to compare the light detecting voltage with the reference voltage, and includes a first input terminal for allowing the light detecting voltage to be inputted and a second input terminal, which has the polarity opposite to the polarity of the first input terminal, for allowing the predetermined reference voltage to be inputted.

02-10-2011

20100134456

ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY INCORPORATING ELECTROLUMINESCENT ELEMENT,AND ELECTRICAL GENERATOR - An organic electroluminescent device including an organic electroluminescent layer that is stacked between a plurality of electrodes and emits light by an electric field generated between the plurality of electrodes and, and a power generating semiconductor part that is arranged on the periphery of this organic electroluminescent layer and utilizes from the light emitted by the organic electroluminescent layer an internal light L that has not been emitted from the transparent or semi-transparent electrode to the outside and remains inside in order to generate power by a photoelectric conversion function is provided.

06-03-2010

20120113074

ILLUMINANCE SENSOR AND DISPLAY DEVICE INCLUDING SAME - Disclosed are an illuminance sensor which has a spectral-response characteristic approximate to the spectral luminous efficacy and which has a low circuit complexity, and a display device including the illuminance sensor. The illuminance sensor includes (i) a current output circuit which, with use of a bitstream signal of a first analog-digital conversion circuit for carrying out an analog-digital conversion with respect to a first current flowing through a first light receiving element, outputs a current corresponding to the first current and (ii) a second analog-digital conversion circuit which receives a third current obtained by subtracting a current from a second current flowing through a second light receiving element and which thus carries out an analog-digital conversion with respect to the third current.

05-10-2012

20120293475

DISPLAY DEVICE - Provided is a display device that has excellent accuracy in image capturing by improving linearity of sensitivity characteristics of a photodiode. An optical sensor provided on an active matrix substrate of the display device includes; a photodiode (D

11-22-2012

20100302222

LCD AND DISPLAY PROPERTY ADJUSTING METHOD THEREOF - A liquid crystal display (LCD) includes a graphic processor, a number of sensors, an optical signal collecting unit, a property saving unit, a property comparing unit, and a property setting unit. The optical signal collecting unit receives optical analog signals generated by the number of sensors, and converts the received optical analog signals into optical digital signals. The property saving unit saves a number of predetermined display properties and a number of predetermined optical signal ranges. The property comparing unit receives the optical digital signals and compares the optical digital signals with the plurality of predetermined optical signal ranges, and correspondingly selects corresponding predetermined display properties. The property setting unit receives the selected display properties and outputs the selected display properties to the graphic processor to adjust display properties of the LCD.

12-02-2010

20090284505

DISPLAY APPARATUS - A display apparatus is provided and includes display cells each having a display circuit, light receiving cells each having a photosensor configured to receive light from an outside, and display signal lines. The display cells and the light receiving cells are arranged in a row direction perpendicular to the display signal lines and in a column direction parallel with the display signal lines. Also, the light receiving cells in each row are displaced in the row direction between every two adjacent rows in a column direction.

11-19-2009

20120133624

DISPLAY PANEL - A display panel incorporates the functionality to determine the three dimensional position of a light reflecting or emitting object (

METHOD AND APPARATUS FOR CONTROLLING BRIGHTNESS IN A PORTABLE TERMINAL - A method and an apparatus for controlling brightness in a portable terminal are provided. The method comprises measuring temperature according to a preset period, extracting a brightness value mapped to the measured temperature from a stored brightness table, and changing a brightness of the portable terminal to correspond to the extracted brightness value.

09-27-2012

20100164920

INFORMATION PROCESSING APPARATUS - According to the invention, an information processing apparatus includes: a main body having a top face; a keyboard provided on the top face; an auxiliary illumination module provided on the top face not to overlap with the keyboard; a display unit connected to the main body by a hinge so as to be movable between a closed state and a open state, the display unit having a display face facing the top face at the open state; a display module provided on the display face; a plurality of imaging modules provided on the display face; a plurality of illuminating modules provided on the display face; a receiving module configured to receive video data via a network, the receiving module being housed in the main body; a display control module configured to let the display module display video based on the video data and local video based on local video data taken by at least one of the imaging devices.

07-01-2010

20120268438

DISPLAY WITH A REFLECTIVE LC PANEL, AND THE DISPLAY METHOD - A display includes a reflective Liquid Crystal (LC) panel having an LC layer, an optical unit having a light source, and a transmission plate unit stacked on the reflective LC panel. The transmission plate unit includes a first transmission plate and a second transmission plate that have respective and different indexes of refraction. Light incident on a first side of the first transmission plate is totally internally-reflected by a boundary between the first transmission plate and the second transmission plate, and travels through the first transmission plate to the reflective LC panel. The LC layer of the reflective LC panel reflects the incident light of spectra corresponding to pixel signals in order to display a video.

10-25-2012

20120268439

Display Device - A plurality of sensor pixel circuits are disclosed, each including one photodiode, one accumulation node accumulating charge corresponding to an amount of light, a read transistor having a control terminal connected to the accumulation node, and transistors turning on or off in accordance with a clock signal, and switching a path for a current flowing through the photodiode are arranged in a pixel region. In accordance with the clock signal, when a backlight is turned on, a current flows out of the accumulation node, and a potential at the accumulation node drops. When the backlight is turned off, a current flows into the accumulation node, and the potential at the accumulation node rises.

10-25-2012

20120268437

IMAGE DISPLAY DEVICE AND COLOR CORRECTION METHOD USED BY THE SAME - Embodiments may be directed to an image display device and a color correction method. An image display device may include a display unit displaying an image according to an image signal; a sensor unit measuring a spectrum of external light incident on the display unit; and a correction signal providing unit estimating an adapted primary color spectrum perceived by a viewer using spectral reflectivity of the display unit, a maximum level primary color spectrum of the display unit, and the spectrum of external light, and providing a correction signal for correcting the image signal based on the adapted primary color spectrum.

10-25-2012

20120268436

DISPLAY DEVICE AND METHOD FOR ADJUSTING GRAY-LEVEL OF IMAGE FRAME DEPENDING ON ENVIRONMENT ILLUMINATION - A display apparatus and method for adjusting the gray level depending on environment illumination is used to adjust the average-gray-level of an image frame with a plurality of pixels. The display device includes a display-panel, an optical-sensor, a controller, and an adjusting module. The display-panel displays the image frame with the plurality of pixels. The optical-sensor is used to obtain the environment illumination. The controller is used to drive the display-panel to display the image frame. The adjusting module is used to adjust gray-levels of the pixels according to the environment illumination. When the environment illumination is too high, the adjusting module raises the gray-level of partial or all pixels; and when the environment illumination is too low, the adjusting module reduces the gray-level of partial or all pixels; so that visual effect of the display device is enhanced.

10-25-2012

20110122111

DISPLAY DEVICE - A display device includes a photosensor on an active matrix substrate. The photosensor includes a photodetection element (D

05-26-2011

20100277452

MOBILE DISPLAY CONTROL SYSTEM - A method for operation of a mobile display control system is provided including providing a sensor for monitoring an ambient light level; modifying an unprocessed video stream based on the ambient light level from the sensor for forming a video stream; generating a pixel brightness and a contrast from the video stream and the ambient light level; creating a gamma corrected stream from the pixel brightness, the contrast, and the video stream; adjusting a display for viewing a video in the ambient light level by coupling the gamma corrected stream to the display; and adjusting the display for viewing a video at a set brightness for a set time where the ambient light level is changing.

11-04-2010

20100013812

Systems for Controlling Computers and Devices - One aspect of the invention provides computer input system including a registered light source that emits light and an interface including first and second reflective elements configured to reflect light emitted by the registered light source, a body, and a movable member coupled to the body. A portion of the movable member is movable with respect to the body to change the light reflected from the first and second reflective elements from at least a first pattern to a second pattern. The system includes a detector configured to detect light reflected by the first and second reflective elements and to generate a signal corresponding to the detected light and a processor configured to receive the signal generated by the detector and to identify a change from the first pattern to the second pattern to perform a computer mouse click, a computer mouse scroll, a keyboard input, and/or a combination thereof.

01-21-2010

20090322719

DETECTION ELEMENT - The present invention provides a detection element that can suppress generation of a residual image. A sensor portion includes a semiconductor layer, an upper electrode and a lower electrode. The semiconductor layer generates charges due to light being illuminated thereto. The upper electrode applies a bias voltage to the semiconductor layer. The lower electrode collects charges that have been generated at the semiconductor layer. The charges that have been generated at the semiconductor layer are collected and accumulated by the lower electrode. In the detection element, a saturation prevention circuit (diode and second bias line) is provided through which the accumulated charges flow-out when the charges that have been generated at the semiconductor layer are collected and a voltage level of the lower electrode becomes a saturation prevention voltage level Vs.

12-31-2009

20110242075

OPTICAL SENSOR DEVICE, DISPLAY APPARATUS, AND METHOD FOR DRIVING OPTICAL SENSOR DEVICE - An optical sensor device includes a plurality of optical sensor units two-dimensionally arranged, a scan driver, and a detection driver. The scan driver sets optical sensor units, in each row, in a selected state. The detection driver acquires detection signals corresponding to illuminance of incident light on the optical sensor units. Each of the optical sensor units comprises a first optical sensor including a first photoelectric conversion section blocked from light and a second optical sensor including a second photoelectric conversion section configured to change the illuminance in response to an externally applied external force. The detection driver maintains each voltage of electrodes of the first optical sensors and each voltage of electrodes of the second optical sensors in equal voltage levels to each other, and acquires a plurality of voltage signals in parallel.

DISPLAY DEVICE, DISPLAY METHOD, AND PROGRAM - A display device includes a display unit, a display control unit, and a control unit. The display unit includes a first and second glass plates, each formed with an electrode connected to a power supply and configured to transmit a light, and a light dispersing element sealed between the first and the second glass plates. The light dispersing element transmits the light when a voltage from the power supply is turned on, and disperses the light when the voltage is turned off. The display control unit controls a timing of turning the voltage on or off, or switching the voltage between positive and negative when the voltage is turned on. The control unit instructs the display control unit to set a display frame rate to a predetermined value during a standby mode, and set it higher than the predetermined value during an information display mode.

10-28-2010

20100053133

DISPLAY DEVICE AND ELECTRONIC APPARATUS EQUIPPED WITH THE SAME - A display device that can reduce power consumption while displaying an image with the same aspect ratio as the display screen, and an electronic apparatus equipped with such a display device are provided. The display device includes a liquid crystal display that displays an image; normal-illumination LEDs that emit illumination light and a partial-illumination LED that emits illumination light; a light guide unit having a first incidence surface that receives the illumination light emitted from the normal-illumination LEDs and a second incidence surface that receives the illumination light emitted from the partial-illumination LED, and configured to optically guide the illumination light received by the first incidence surface to the entire surface of the liquid crystal display and to optically guide the illumination light received by the second incidence surface to a predetermined region having the same aspect ratio as the liquid crystal display; and a switch button used for switching the size of the image displayed on the liquid crystal display the size corresponding to the entire surface or the size corresponding to the predetermined region.

03-04-2010

20120242635

FINGERPRINT SENSOR AND INTEGRATABLE ELECTRONIC DISPLAY - A fingerprint sensor which includes a conductive layer which is incorporatable within an electronic display is disclosed. The fingerprint sensor also includes a controller coupled to the conductive layer to capture a fingerprint image and can further be adapted to control the display.

09-27-2012

20110175874

Display Device And Method For Driving The Same - A liquid crystal display device includes an optical sensor provided near an end portion of a liquid crystal display panel, a pixel provided in a display region of the liquid crystal panel, and a monitoring pixel. The optical sensor detects illuminance of light delivered from the liquid crystal display panel side. The pixel for which a transistor whose off-state current is low and the monitoring pixel are supplied with a potential to display a still image, at least light transmitted through a liquid crystal layer of the monitoring pixel is detected by the optical sensor, and the pixel in the display region of the liquid crystal display panel and the monitoring pixel are supplied again with a potential when a rate of change in illuminance reaches a predetermined value, so that the still image is kept being displayed.

07-21-2011

20110074752

DISPLAY-MODE CONTROL DEVICE AND RECORDING MEDIUM RECORDING DISPLAY-MODE CONTROL PROGRAM - A display-mode control device comprises a display-mode controller which acquires picked-up image data representing a picked-up image ahead of a display face of a display unit, specifies, using the acquired picked-up image data and an illumination position specifying a position of illumination in an image set beforehand, brightness of a position corresponding to the illumination position in the picked-up image as brightness of illumination, and controls a display mode based on the specified brightness of the illumination.

PHOTO SENSING MODULE HAVING PROTECTION FUNCTION AND DISPLAY DEVICE - A photo sensing module is provided on a first substrate and includes a photo sensing device and a protection wiring. A gap exists between the photo sensing module and an external circuit, and the photo sensing device is provided on the first substrate. The protection wiring is electrically-conductive and located between the external circuit and at least a portion of the photo sensing device.

09-09-2010

20100225628

LIGHT SENSOR ARRANGEMENT - Ambient light is sensed for use in determining luminous flux. According to an example embodiment, ambient light is sensed using two light sensor arrangements that respectively respond differently to light of different relative wavelengths. The output of the sensors is nonlinearly combined to generate data indicative of the luminous flux. This luminous flux data is used to generate a control output for controlling an electronic display.

09-09-2010

20110248975

Image display apparatus and image displaying method - An image display apparatus includes: a display panel including an image display area and a dummy pixel area different from the image display area; an optical sensor detecting light emission luminance of the dummy pixel area on the display panel; and a control unit dividing the image display area on the display panel into a plurality of division areas, allowing pixels within the dummy pixel area to perform light emission to the same degree as the light emission of one or a plurality of pixels within each division area, and correcting luminance or chromaticity of the pixels within each division area based on the light emission luminance of the dummy pixel area detected by the optical sensor.

10-13-2011

20130076712

Distributed Light Sensors for Ambient Light Detection - An electronic device may have a display with a brightness that is adjusted based on ambient light data from multiple ambient light sensors. Sensors that are shadowed can be ignored. A touch sensor array in the display may have electrodes that overlap ambient light sensors. When a touch sensor signal indicates that an external object is covering one of the ambient light sensors, data from that ambient light sensor can be discarded. The ambient light sensors may include a primary ambient light sensor such as a human-eye-response ambient light sensor and may include an array of secondary ambient light sensors such as non-human-eye-response sensors. The secondary ambient light sensors may be formed on a display layer such as a thin-film-transistor layer and may be formed from thin-film materials. An algorithm may be used to dynamically calibrate non-human-eye-response ambient light sensors to the human-eye-response ambient light sensor.

03-28-2013

20110069051

DISPLAY - A display unit including a display region including a plurality of luminescence elements, a non-display region including a plurality of luminescence elements and a photoreception element, a drive unit connected to each of the luminescence elements in the display region, a photoreception drive circuit connected to the plurality of luminescence elements in the non-display region, and a photoreception processing unit which receives a signal output from each of the plurality of luminescence elements in the non-display region and outputs a degradation signal to the drive unit, the drive unit providing a signal to the plurality of luminescence elements in the display region based on the degradation signal.

03-24-2011

20100295833

DISPLAY DEVICE AND METHOD OF DRIVING DISPLAY DEVICE - The present invention provides an active matrix display device, including: a data signal line drive circuit mounted by COG (Chip On Glass) bonding; a photosensor, which is included in a display region, for (i) detecting light intensity and (ii) sending out an analog output serving as a signal indicative of the detected light intensity; and a common electrode (COM) to which a voltage being AC-driven is applied. The data signal line drive circuit includes an analog-to-digital conversion circuit which converts the analog output supplied from the photosensor into a digital output. The conversion is carried out during a first period, which overlaps none of (a) a time point at which each of the scanning signal lines starts being in a selected state, (b) a period during which data signals are sent out to respective data signal lines, and (c) a time point at which the voltage of the common electrode changes. Accordingly, it is possible to provide a display device employing a COG technique, which is capable of carrying out analog-to-digital conversion of the analog output supplied from the photosensor.

INTELLIGENT DIGITAL PHOTO FRAME - A digital photo frame (DPF) includes a power management unit connected to a power source, configured for distributing power from the power source to the DPF; a display panel configured for displaying displayable media; a receiver configured for detecting whether there is a remote signal within a predetermined area generated by a remote controller and producing a trigger signal when having detected the remote signal; a light detector configured for detecting current ambient light level and producing a light signal corresponding to the detected ambient light level; and a processing unit configured for adjusting brightness of the display panel according to the trigger signal and the light signal.

DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display device includes: a dummy pixel provided on a display panel; a reflection film provided on a light-emitting-surface side of the display panel for reflecting light emitted from the dummy pixel; a photodetector provided on an opposite side of the display panel from the light-emitting surface for detecting the light emitted from the dummy pixel and reflected from the reflection film; and a correction circuit for correcting, based on the results of detection by the photodetector, the luminance of effective pixels that contribute to image display.

02-24-2011

20110043501

Material Simulation Device - A material simulation device is described, capable of simulating emissive and non-emissive colored surfaces, both textured and smooth. The material properties being simulated may be controlled electronically, and may be altered rapidly making smooth animation of surface properties possible. A controller receives data from spectral light sensors, processes the data, and modulates the output of one or more display elements to control the amount of light emitted at a surface of the device. The sum of light from the display elements and light from the environment reflected from the surface of the device matches the amount of light reflected from a real surface with the material properties being simulated.

02-24-2011

20110210952

SYSTEM AND METHOD FOR MONITORING A SIGNAGE SYSTEM OF A TRANSIT VEHICLE - A sign-monitoring system includes at least one electronic sign and a controller comprising a processor and memory. The electronic sign includes a pixel array, the pixel array including a plurality of pixels. The electronic sign further includes an embedded controller coupled to the at least one electronic sign. The embedded controller develops diagnostic information for the at least one electronic sign, the diagnostic information including information related to a number of malfunctioning pixels in the plurality of pixels. The controller is communicably coupled to the embedded controller and receives at least a portion of the diagnostic information from the embedded controller. In addition, the controller assesses the at least a portion of the diagnostic information to develop health information. The assessment involves evaluating the information related to the number of malfunctioning pixels.

09-01-2011

20100194725

Display Apparatus - A display apparatus includes an illumination acquisition part acquiring the illumination of outdoor daylight, a time acquisition part acquiring date and/or time, a control part controlling display luminosity according to the output of the illumination acquisition part, wherein the control part is characterized by determining the control range of a display luminosity based on the date and/or time the time acquisition part acquired.

08-05-2010

20120169684

SEAMLESS MOSAIC PROJECTION SYSTEM AND METHOD OF ALIGNING THE SAME - A display system for displaying a seamless mosaic of a plurality of images projected by a plurality of projectors by aligning the images projected so the mosaic appears seamless. The display system includes a display surface, a first projector, and a second projector configured to project onto distinct areas that partially overlap. A light detector located adjacent to the display surface detects light projected onto the overlap area. Image signals received by the projectors are adjusted to eliminate the overlap and or balance the brightness of each projected image so the composite image appears to be a seamless mosaic.

07-05-2012

20120313911

AMBIENT LIGHT CALIBRATION FOR ENERGY EFFICIENCY IN DISPLAY SYSTEMS - A method, system, and apparatus that can be used to operate a display device in an energy efficient manner. The energy efficient display device can effectively and efficiently compensate for changes in ambient light incident at a display screen of the display device using an internal ambient light sensor to provide control signals to a backlight driver.

12-13-2012

20120313909

DISPLAY APPARATUS - A display apparatus includes: a light emitting unit which emits light; a light scanning unit which includes a light reflector reflecting light emitted from the light emitting unit and being swingably installed around a swing axis and scans the light reflected by the light reflector on a display surface where an image is to be displayed in a first direction and a second direction perpendicular to the first direction; and an amplitude changing unit which changes an amplitude of the swing of the light reflector, in which the amplitude changing unit changes the amplitude of the swing of the light reflector, so that a first state where the light is scanned in a first region of the display surface and a second state where the light is scanned on the first region and a second region different from the first region of the display surface is switched over each other.

12-13-2012

20120313908

DEVICE AND METHOD OF ADJUSTING ELECTROMAGNETIC RADIATION TRANSMITTED BY AN OPTICAL ELEMENT - A method of adjusting electromagnetic radiation transmitted by an optical element is described. The method includes sensing the electromagnetic radiation transmitted by the optical element to produce sensed electromagnetic radiation information, and adjusting the sensed electromagnetic radiation information to produce adjusted electromagnetic radiation information based on the a spectral transmission of the optical element.

12-13-2012

20130278576

CALIBRATED IMAGE-SENSOR-BASED AMBIENT LIGHT SENSOR - An electronic device may be provided with an image sensor for capturing digital images. The image sensor may be used as part of image-sensor-based ambient light sensing circuitry for producing ambient light sensor readings. The image-sensor-based ambient light sensing circuitry may include a reference array. The reference array may be formed from an array of light sensor elements that are matched to elements in the image sensor but that are covered with a light blocking material. Control circuitry can measure current flow into the reference array and the image sensor array and can use current measurements from these arrays in producing a calibrated ambient light sensor reading. The control circuitry may make current measurements by measuring a decay time associated with the voltage of a discharging capacitor. A comparator, pulse generator, and switch may be used in periodically recharging the capacitor. The capacitor may be adjusted to ensure accurate readings.

Image Sensor and Image Sensor Integrated Type Active Matrix Type Display Device - To fabricate an active matrix type display device integrated with an image sensor at a low cost and without complicating process, an image sensor laminated with TFT and a light receiving unit is formed on a light receiving matrix, a display matrix is arranged with TFT and pixel electrodes on a matrix and formed with an electrode layer functioning as a black matrix, a lower electrode of the light receiving unit is formed by a starting film the same as that of the black matrix, a terminal for fixing potential of an upper electrode is formed by starting films the same as those of a signal line, the electrode layer or pixel electrodes and the terminals function also as shield electrodes for a side face of the light receiving unit since potential thereof is fixed.

12-23-2010

20110261040

INFORMATION DETECTION DISPLAY - An information detection device includes: a plurality of light sensing units each configured to detect light; a plurality of sensor scanning drivers each configured to apply sensor scanning signals to the light sensing units; a sensing signal processor configured to receive position information detected by the light sensing units; a plurality of bias applying units each configured to apply bias voltages to the light sensing units; wherein each bias applying unit applies a different polarity of bias voltage.

GLARE REDUCTION SYSTEM - A glare reduction system is provided for glare reduction. The glare reduction system includes an imaging source configured to receive light from an object, and a display driver configured to process the received light to generate an input signal. The glare reduction system further includes a display device configured to receive the input signal. A glare reduction panel is positioned anteriorly to the display device. The glare reduction panel including a liquid crystal layer configured to receive the input signal and an end polarizer with an axis of transmission relative to an angle of transmission of a second polarizer of the display device.

09-18-2014

20140267202

Ambient Light Sensors with Photodiode Leakage Current Compensation - An electronic device may have a display with a brightness that is adjusted based on data gathered from one or more ambient light sensors (ALSs). In one suitable arrangement, an ALS may include a photodiode, a temperature sensor, a scaler, an analog-to-digital converter (ADC), and a subtractor. The subtractor may have a first input coupled to the photodiode via the ADC, a second input coupled to the temperature sensor via the scaler, and an output on which a leakage-compensated sensor output is provided. In another suitable arrangement, the ALS may include first and second photodiodes, a light blocking layer formed over the second photodiode, a scaler, and a subtractor. The subtractor may have a first input coupled to the first photodiode, a second input coupled to the second photodiode via the scaler, and an output on which a leakage-compensated sensor output is provided.

09-18-2014

20110261039

VEHICLE DISPLAY APPARATUS - A vehicle display apparatus includes a first indicator, a second indicator, and an illuminance detector. The illuminance detector is configured detect illuminance outside a vehicle. Display luminance of the second indicator is capable of being changed in a specific luminance range in accordance with the illuminance outside the vehicle detected by the illuminance detector irrespective of daytime or nighttime. A luminance setting device is configured to set the specific luminance range. A controller is configured to increase or decrease the display luminance of the second indicator at least in a portion of the specific luminance range set by the luminance setting device based on display luminance for each of daytime and nighttime of the first indicator set by the luminance setting device.

10-27-2011

20100231563

Display Characteristic Feedback Loop - A system and method for maintaining similar optical performance over two electronic displays. A color light sensor is placed in front of the viewable area of each electronic display and is used to measure one or more optical properties in order to balance the two (or more) electronic displays. The user may be notified when a display is malfunctioning or the displays are not performing within acceptable ranges. The display may store optical data locally for later retrieval by the user. The user may access the optical data through a network connection with the display. One or more displays may be placed adjacent to one another and their optical properties may be measured and balanced so that the displays match one another or can be used as a harmonious array.

09-16-2010

20130328841

BACKLIGHT CALIBRATION AND CONTROL - A system and method for characterizing the power and luminance values for a display. This may include testing a device to determine a luminance value for a display of a given device at a given current and determining whether the first current is to be adjusted during future uses based on a comparison of the luminance with at least one threshold value. This may also include storing an adjusted current value if it is determined that the first current is to be adjusted.

12-12-2013

20140267201

SYSTEM AND METHOD FOR PRODUCING AN IMAGE HAVING HIGH DYNAMIC RANGE - A system and method for producing an image having high dynamic range is described. The system comprises: a light source for providing light along an optical path; a digital micromirror device for directing portions of the light to off-state and on-state light paths, thereby producing an image; and a deformable optical element disposed in the optical path between the light source and the digital micromirror device for steering at least some of the light from the off-state light path to the on-state light path to increase dynamic range of the image produced by the digital micromirror device. The deformable optical element can comprise at least one steerable segment and at least one static element.

09-18-2014

20100110053

LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having an image input function capable of suppressing the degradation of image quality of a display image and a captured image caused by a parasitic capacitance is provided. The liquid crystal display device, which includes an active matrix substrate (

05-06-2010

20160042696

DISPLAY PANEL, DATA PROCESSING DEVICE, PROGRAM - A novel display panel that is highly convenient or reliable is provided. Alternatively, a novel program that is highly convenient or reliable is provided. Alternatively, a novel display panel that consumes less power when used under external light is provided. The inventors have reached an idea of a structure including: a first display element including a first electrode, a common electrode overlapping with the first electrode, and a layer including a luminescent organic compound between the first electrode and the common electrode; a second display element including the common electrode, a second electrode overlapping with the common electrode, and a layer including liquid crystal between the second electrode and the common electrode; a first display region including a plurality of the first display elements; and a second display region including a plurality of the second display elements and overlapping with the first display region.

02-11-2016

20100214275

Display device and method for adjusting the luminance thereof - A display device for receiving and displaying an image signal is disclosed. The display device comprises a display screen, a light sensor, a light information determining unit, an image analysis unit, a luminance determining unit, and a control unit. The light sensor is installed near the display screen for detecting an ambient luminance level. The light information determining unit is utilized for determining a first luminance adjusting value according to the ambient luminance. The image analysis unit is utilized for analyzing the image signal to obtain a color level value. The luminance determining unit is utilized for calculating a second luminance adjusting value according to the color level value, and for determining a final luminance adjusting value according to the first luminance adjusting value and the second luminance adjusting value. The control unit is utilized for adjusting the luminance of the display screen according to the final luminance adjusting value.

08-26-2010

20110090192

Projected Display - A reprojection system which allows a projection to be displayed onto a display screen, and reprojected by that display screen. The display is received on the surface that itself displays, and it is then redisplayed on the surface. The redisplay can be at the same size or at a different size as the original projection. Preferably the redisplay is at the same relative intensity but a brighter actual intensity than the original display. The information is can be received and redisplayed in a number of different ways.

04-21-2011

20100283771

INFORMATION DETECTING DISPLAY DEVICE AND METHOD FOR DETECTING INFORMATION IN THE DISPLAY DEVICE - An information detecting display device includes an information detecting substrate having a photo-sensor and a switching substrate facing the information detectable substrate, wherein the information detectable substrate includes a first substrate, a plurality of photo-sensors arranged in a matrix on the first substrate and which generate sensing signals, a plurality of sensor scanning lines which transmit sensor scanning signals for controlling output of the sensing signals and a plurality of sensor signal lines which transmit the sensing signals in response to the sensor scanning signals, wherein at least two of the sensor scanning lines transmit substantially the substantially same sensor scanning signals simultaneously.

11-11-2010

20100253660

DISPLAY DEVICE AND ELECTRONIC APPARATUS EQUIPPED WITH THE SAME - A display device includes a display layer, a first glass substrate, a second glass substrate, an external light sensor, a black matrix and a color filter layer. The display layer has polarizing or light-emitting display components, which are arranged in a matrix. The first glass substrate and the second glass substrate are respectively disposed over and under the display layer. The external light sensor is disposed on an interface between the first glass substrate and the display layer for detecting an external light passing through the second glass substrate incident to the external light sensor. The black matrix is disposed on an interface between the second glass substrate and the display layer. The external light passing through the second glass substrate is sheltered by the black matrix. The color filter layer is deposited on the black matrix and has a specified transmittance spectrum property.

10-07-2010

20130335389

ENHANCED USER INTERFACE ELEMENTS IN AMBIENT LIGHT - Embodiments of enhanced user interface elements in ambient light are described. Sensor inputs can be received from light sensors that detect ambient light proximate an integrated display of a portable device. A determination is made that the ambient light detracts from the visibility of user interface elements displayed in a user interface on the integrated display. Display properties of graphic components of a user interface element are interpolated through a light range from approximately complete darkness to full sunlight, and the graphic components of a user interface element can be modified based on interpolating the display properties within the light range to enhance the visibility of the user interface element for display in the ambient light.

12-19-2013

20130335387

OBJECT-DETECTING BACKLIGHT UNIT - This document describes techniques and apparatuses for implementing an object-detecting backlight unit for a display device. An object-detecting backlight unit includes two or more light sources configured to provide light to a display to form an image, and a light sensor configured to receive reflected light when an object is near the display and determine that the reflected light originated from a region of the display. The reflected light is caused by light from the image reflecting off of the object back towards the display. The backlight unit is configured to detect a position of the object based on the region of the display from which the reflected light originated.

12-19-2013

20130335390

Multi-projection Display and Brightness Adjustment Method Thereof - A multi-projection display includes: a plurality of projector units; a plurality of optical sensors that are provided corresponding to each of the projector units; and a main control unit that both causes adjustment images to be projected by each of the projector units and vertically synchronizes each projected adjustment image. Each projector unit acquires by a respective optical sensor brightness values of the picture elements that are adjacent between the adjustment image that is projected by the projector unit and the adjustment images that are projected by other projector units and adjusts the brightness of the projected image based on the differences in the acquired brightness values.

12-19-2013

20120306831

BIREFRINGENT LENSLET CAMERA - Embodiments of a display device with a vision system are disclosed. In one example, a display device comprises a plurality of pixels for displaying light in a first polarization state, a plurality of photodetectors, where each photodetector in the plurality of photodetectors includes a polarization filter configured to transmit light in a second polarization state to the photodetector and reject light in other polarization states, a plurality of lenslets, where each lenslet in the plurality of lenslets focuses light in the second polarization state onto at least one photodetector in the plurality of photodetectors, a material surrounding the plurality of lenslets, where, for each lenslet in the plurality of lenslets, indices of refraction of the lenslet and the material are substantially equal for light in the first polarization state, and where indices of refraction of the lenslet and the material are different for light in the second polarization state.

12-06-2012

20120068979

E-book and power controller and power controlling method thereof - An e-book under an external light having an intensity is provided. The e-book includes a memory module storing data; an input/output interface electrically connected to the memory module, inputting the data to the memory module, and outputting the data from the memory module; an e-paper module electrically connected to the memory module, and displaying the data; a power device electrically connected to the e-paper module and the memory module, and providing a power output; and a photosensor electrically connected to the power device, having a threshold value, and sensing the intensity of the external light, wherein when the sensed intensity is lower than the threshold value, the power device reduces the power output.

03-22-2012

20110050663

IMAGE DISPLAY DEVICE AND IMAGE ADJUSTMENT METHOD - An image display device includes: an external light measurement unit measuring the illuminance of an external light a plurality of times, and generating a measurement value indicating the illuminance; a storage unit storing history data which shows the measurement values, and color mode data which shows a correspondence between the illuminance and a color mode; a determination unit, based on the history data, determining whether or not it is a changed condition wherein the illuminance changes upward or downward, or the illuminance fluctuates; and an adjustment unit, in the event that it is not the changed condition, determining the color mode to be applied based on the measurement values and the color mode data, and adjusting the color or brightness of an image in accordance with the color mode, and in the event that it is the changed condition, continuing the adjustment currently being applied as the image adjustment.

03-03-2011

20100164921

DISPLAY APPARATUS - Improvement of the image quality and position detection accuracy is implemented. Operation of a backlight

07-01-2010

20130241907

INTEGRATED DISPLAY AND PHOTOSENSOR - An apparatus for simultaneously imaging a subject and displaying computer generated image (“CGI”) light to the subject includes a display array and a photodetector array. The display array and the photodetector array are disposed on a same semiconductor die. The display array includes display pixels configured to selectively generate the CGI light to be sent along a forward optical path. The photodetector array is positioned to receive non-visible image light that is reflected by the subject and directed along a reverse optical path. The CGI light to be sent along the forward optical path travels in a substantially opposite direction as the non-visible image light directed along the reverse optical path.

09-19-2013

20100013813

DISPLAY DEVICE - Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver (

01-21-2010

20100013810

INTELLIGENT DIGITAL PHOTO FRAME - A digital photo frame (DPF) includes a power source, a display panel, a light detector, a motion detector, a processing unit, and a power management unit. The light detector is configured to detect the ambient brightness. The motion detection unit is configured to detect whether anyone is around. The processing unit is connected to the light detector and the motion detector. If the motion detector detects someone is around the DPF and the light detector detects the ambient brightness is below a predetermined value, the processing unit controls the power management unit to provide power to the display panel.

01-21-2010

20110018850

DISPLAY PANEL WITH BUILT-IN OPTICAL SENSORS AND DISPLAY DEVICE USING SAME - A display panel with built-in optical sensors is provided that can accurately remove a noise component in an imaging signal of an image pick-up sensor in a display region without being influenced by distance from a heat source or distance from a sensor output terminal. The display panel with built-in optical sensors has an active matrix substrate having a pixel region in which pixels are disposed in a matrix, and is configured such that optical sensors are formed in at least a portion of the pixel region. Among the optical sensors in the pixel region are image pick-up sensors (

01-27-2011

20100110052

INFORMATION PROCESSING APPARATUS - In an information processing apparatus, an open/close detecting driver detects whether the information processing apparatus is opened or closed. If the open/close detecting driver detects that the information processing apparatus is opened or closed, an open/close-event handler determines whether the information processing apparatus is in an unused state. On the basis of this determination, the open/close-event handler controls lighting of a backlight.

05-06-2010

20130229397

Display Apparatus for Capturing Images and Operation Method Thereof - The present invention provides a display apparatus for capturing images. The display apparatus includes a first substrate, a pixel array disposed on the first substrate, a thin film transistor array disposed in the pixel array and a photodetector array disposed in the pixel array. The pixel array includes a plurality of sub-pixels. The thin film transistor array controls image data transferred to the pixel array. When a light illuminates a sub-pixel of the pixel array, a photodetector corresponding to the sub-pixel of the photodetector array generates a leakage current in response to a gray-level of the light.

09-05-2013

20130229396

SURFACE AWARE, OBJECT AWARE, AND IMAGE AWARE HANDHELD PROJECTOR - A handheld image projecting device that modifies a visible image being projected based upon the position, orientation, and shape of remote surfaces, remote objects like a user's hand making a gesture, and/or images projected by other image projecting devices. The handheld projecting device utilizes at least one illuminated position indicator for 3D depth sensing of remote surfaces and optically indicating the location of its projected visible image. In some embodiments, a handheld projecting device enables a plurality of projected visible images to interact, often combining the visible images, reducing image distortion on multi-planar surfaces, and creating life-like graphic effects for a uniquely interactive, multimedia experience.

09-05-2013

20130229395

SYSTEMS AND METHODS FOR IMAGE PROCESSING - The present disclosure relates generally systems and methods for image data processing. In certain embodiments, a method for transferring the image data may include processing the image data in an image sensor by correcting one or more defective pixels in the image data based on a one-dimensional defective pixel correction algorithm; horizontally demosaicing the image data based on a one-dimensional horizontal demosaic algorithm; or a combination thereof. After processing the image data, the method may include horizontally downscaling the processed image data in the image sensor and vertically downscaling the horizontally downscaled image data in an image signal processor to be displayed for viewing on a display device.

09-05-2013

20130342518

INFORMATION PROCESSING APPARATUS AND METHOD, AND PHOTOELECTRIC CONVERSION APPARATUS - An information processing apparatus includes: multiple optical propagation paths configured to propagate light; a photoelectric conversion element configured to perform photoelectric conversion on light propagated through each of the multiple optical propagation paths at mutually different partial areas in a photoelectric conversion area; and an estimating unit configured to estimate illuminance or color temperature to be obtained at the photoelectric conversion element, using an electric signal corresponding to light propagated through each of the optical propagation paths.

12-26-2013

20130342517

Grayscale-Based Field-Sequential Display for Low Power Operation - A field-sequential display is operated in one of a color mode or a grayscale mode. In the color mode, a video source provides image content in the form of multiple-color image data having a frame rate of X Hz and a display controller uses the multiple-color image data to drive the field-sequential display so as provide multiple-color image content at the field-sequential display. In the grayscale mode, the display controller generates grayscale image data from the multiple-color image data and the display controller then drives the field-sequential display with the grayscale image data at a lower frame rate of Y Hz. While in the grayscale mode, the display controller can take advantage of the enhanced contrast provided by the grayscale image content to reduce or disable backlighting at the field-sequential display. The reduced timing requirements afforded by the lower frame rate, as well as the reduction or elimination of backlighting, can reduce power consumption compared to the color mode.

12-26-2013

20150339984

LOAD EFFECT COMPENSATION SYSTEM, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF COMPENSATING LOAD EFFECT OF DISPLAY PANEL - A load effect compensation system, display device having the same, and method of compensating load effect of display panel are disclosed. In one aspect, the load effect compensation system for a display device includes a light sensor operatively connected to a display panel and configured to detect an amount of light emitted from the display panel and a light converter configured to convert the detected amount of light into a load amount. The system also includes a data corrector configured to receive the load amount and an image signal and adjust grayscale values of the image signal based at least in part on the load amount.

11-26-2015

20130241908

DISPLAY APPARATUS AND METHOD - A display apparatus suitable for use in any of a number of different display applications including, but not limited to, mounting to a dashboard of a motor vehicle. The display apparatus includes a display portion arranged to display an image having a brightness and a contrast, the brightness and/or contrast of the image being a function of viewing angle, the brightness and/or contrast having at least one local maximum along a direction substantially parallel to at least one primary vector, the at least one primary vector not being a vector substantially normal to a plane of the display portion.

09-19-2013

20120154352

DISPLAY APPARATUS - A display apparatus includes: a display panel that includes display elements having a current-driven light-emitting portion and that displays an image on the basis of a video signal; and a luminance correcting unit that corrects the luminance of the display elements when the display panel displays an image by correcting a gradation value of an input signal and outputting the corrected input signal as the video signal. The luminance correcting unit includes an operating time conversion factor holder, a reference operating time calculator, an accumulated reference operating time storage, a reference curve storage, a gradation correction value holder, and a video signal generator.

06-21-2012

20130335388

DISPLAY APPARATUS AND CONTROL METHOD - A display apparatus and a control method which displays an image based on an image signal transmitted from the outside are provided. The display apparatus includes a display which generates light in a plurality of colors and displays an image; a signal receiver which receives an image signal; a signal processor which processes the received image signal in order to display an image based on the image signal; and a controller which analyzes the image signal received by the signal receiver and obtains color reproduction feature information of the image signal, and changes each color distribution of light generated by the display to display an image in a color which corresponds to the color reproduction feature information obtained, based on the image signal.

12-19-2013

20120206426

IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF - An image display apparatus, comprises a display unit; a luminance sensor arranged in plural portions of the display unit, each luminance sensor having temperature characteristics; a temperature sensor arranged in plural portions of the display unit; an acquisition control unit configured to acquire a temperature value from the temperature sensor and a luminance value from the luminance sensor; a determination unit configured to determine a frequency for acquiring the temperature value from the temperature sensor based on an orientation of the display unit or a display setting; a correction unit configured to correct the luminance value acquired from the luminance sensor by using the temperature value acquired from the temperature sensor; and an image processing unit configured to control luminance of the display unit by using the luminance value corrected by the correction unit as a target luminance value.

08-16-2012

20140285477

IMAGE PROCESSING METHOD FOR DISPLAY APPARATUS AND IMAGE PROCESSING APPARATUS - An image processing method and apparatus using the image processing method are provided. The apparatus comprises a processor configured to scale color values of input image data, thereby simulating the optical characteristics of paper. The simulation takes into consideration varying ambient light conditions around the display to imitate the optical characteristics of physical paper in the same ambient light conditions.

TWO-DIMENSIONAL SENSOR ARRAY, DISPLAY DEVICE, AND ELECTRONICS DEVICE - A display device according to the present invention includes: a plurality of pixels arranged in matrix; photoelectric elements being provided in each of the pixels and each outputting a signal with a value according to the quantity of light received by the photoelectric element, the photoelectric elements forming photoelectric element groups (PDs(n)) in each of which the photoelectric elements arranged along a one-dimensional direction are grouped; and resetting wirings (Vrts(n+1)), each of which is connected to the anode side electrodes of the photoelectric elements in the corresponding one (PDs(n)) of the photoelectric element groups commonly, and is shared by an adjacent one (PDs(n+1)) of the photoelectric element groups. This configuration makes it possible to provide such a display device having a pixel including an optical sensor incorporated therein, that is not affected by the resolution and the performance of an output AMP and is capable of preventing a decrease in the aperture ratio of the pixel.

09-15-2011

20110221723

DRIVING METHOD OF DISPLAY DEVICE - A display device has a pixel array including a plurality of pixels arranged in a matrix and a backlight provided to face a substrate over which the pixel array is formed, and display element portions photosensor portions are formed in the pixels. In the display device, in one frame period for displaying a black image which is interposed between two successive periods forming an image or a backlighting shutoff period in one frame period in which the display element portion holds an image, an accumulation operation of the photosensor portion is performed, the pixels are successively selected for each row, and a signal corresponding to the potential of a signal charge accumulation portion of the photosensor portion is output.

09-15-2011

20100073340

IMAGE COMPENSATION DEVICE, IMAGE COMPENSATION METHOD, AND A METHOD FOR SETTING IMAGE COMPENSATION VALUES - An image compensation device includes a transform unit configured to convert a value obtained by multiplying an intensity of the ambient light by a reflection ratio to a value of the same form as a first gradation value, and acquire a second gradation value, a subtracter to subtract the second gradation value from a third gradation value obtained through the first inverse transform performed on a first gradation value, and acquire a fourth gradation value, a transform unit configured to perform a second inverse transform on the fourth gradation value and acquire a fifth gradation value, and a storage unit configured to store a look-up table in which the fifth gradation value is associated with the first gradation value, as a correction value which should be applied to the display panel in place of the first gradation value.

03-25-2010

20100045641

ELECTRICAL DEVICE CAPABLE OF ADJUSTING DISPLAY IMAGE BASED ON A ROTATION OF A WEB CAMERA AND METHOD THEREOF - An electrical device having a display screen to adjust displaying image based on a rotation of a web camera. The web camera is rotatably installed on one side of the frame surrounding the display screen. The web camera captures an image data in a first direction or a second direction. An image sensor generates a plurality of brightness signals based on the image data. A processing unit is used for determining the display to show the image data in a first mode or a second mode based on the plurality of brightness signals.

02-25-2010

20140218345

IMAGE DISPLAY APPARATUS AND CONTROL METHOD FOR SAME - An image display apparatus includes: an illumination unit having a light source block including a plurality of light sources; a display unit which displays an image on the basis of an image signal; a plurality of measurement units which measure the brightness of light arriving from the light source block, at a plurality of measurement positions; a storage unit which stores brightness information relating to an initial brightness of light arriving from the light source block, at at least the plurality of measurement positions; a setting unit which adjusts alight emission amount of the light source block on the basis of the brightness information, and measurement results when the light source block is lit; and a correction unit which corrects the image signal on the basis of the brightness information, the measurement results, and the adjusted light emission amount of the light source block.

08-07-2014

20100289782

Pixel circuit, display apparatus, and driving method for pixel circuit - A pixel circuit includes: a light emitting element; a driving transistor for applying current to the light emitting element in response to a signal value applied between a gate and a source thereof when a driving voltage is applied between a drain and the source thereof; first and second capacitors connected in series between the gate and the source of the driving transistor; a sampling transistor connected between the gate of the driving transistor and a predetermined signal line; a switching transistor connected to supply a potential of the signal line to a node between the first and second capacitors; and a light detection element connected between the gate of the driving transistor and the node between the first and second capacitors for supplying current of a current amount in accordance with an emitted light amount of the light emitting element.

11-18-2010

20150062104

METHOD FOR CONTROLLING DISPLAY BRIGHTNESS AND ELECTRONIC DEVICE THEREOF - A method for determining the screen brightness in the electronic device includes determining whether a flip cover opens or closes a screen when the screen display event occurs, determining a first brightness value for a full screen display mode when the flip cover is opened, and determining a second brightens value for a flip covered window display. Other embodiments including an apparatus for determining the screen brightness are also disclosed.

03-05-2015

20140306943

ELECTRONIC DEVICE AND METHOD FOR ADJUSTING BACKLIGHT OF ELECTRONIC DEVICE - In a method for adjusting brightness of a backlight of an electronic device, an association between ambient light intensity of the electronic device and brightness of the backlight is established. An image in front of the electronic device is captured. A current ambient light intensity of the electronic device is calculated according to the image, and a corresponding brightness of the backlight is determined. The backlight is controlled to emit light with the determined brightness.

BALANCED LED BACKLIGHTING FOR LIQUID CRYSTAL DISPLAY (LCD) - Techniques for providing LED-based backlighting in liquid crystal flat panel displays are disclosed. In one embodiment, optical sensors are provided to sense illuminations from colored LED groups and provide feedback signals to a controller so that a desired ratio of the illuminations is maintained. As a result, true colors could be reproduced regardless of possible irregularities that may be happening to LEDs used in the colored LED groups to backlight an LCD panel.

11-29-2012

20140049527

DYNAMIC BACKLIGHT CONTROL WITH COLOR TEMPERATURE COMPENSATION - A display device comprises: a display screen, a pixel layer, a backlight, and at least one ambient light sensor (ALS) which detects ambient light around the display device. An Optimal Power and Color Adjustment Module (OPCAM) (a) receives detected ambient light information, (b) identifies characteristics of the ambient light, including brightness and color temperature, (c) selects a pre-calculated combination of power level and color details that collectively enables pre-determined acceptable display quality of images displayed on the display screen within the particular viewing space, and (d) respectively forwards the pre-calculated power level and color details to concurrently trigger the backlight drive current controller and the pixel layer controller to provide a specific amount of drive current to the backlight and specific color characteristics, including an amount of color intensity of the pixel layer, which collectively yields the pre-determined display image quality, while optimizing power usage by the display device.

02-20-2014

20120249504

DISPLAY DEVICE HAVING REDUCED REFLECTION OF VISIBLE LIGHT - A display device includes a display panel, a polarization film, and a wave plate. Below the wave plate and the polarization film there is provided a plurality of optical sensors disposed within the display panel. The display panel includes first and second substrates facing each other and a plurality of pixels configured to display an image. The optical sensors are configured to sense light in one or more predetermined light bands. The wave plate is configured to rotate polarization of first light that has passed upwardly through the polarization film such that the combination of upward and downward (reflected) passage of the light is rotated by about 90 degrees. The so-rotated light is blocked from passing down through the polarization film; advantageously, the so-rotated light is prevented from interfering with the optical sensors.

10-04-2012

20100149146

Display - A display includes: a panel in which a plurality of pixels emitting light in response to a video signal are arranged; a light-receiving sensor outputting a light-reception signal in accordance with the light-emission of each pixel; calculation means for calculating correction data on the basis of the light-receiving signal; and drive control means for correcting the video signal on the basis of the correction data, wherein the light-receiving sensor is adhered to an outermost substrate constituting the panel by using a material with a refractive index which is equal to or smaller than that of the substrate.

06-17-2010

20110148836

DISPLAY DEVICE AND METHOD FOR USING THE SAME - A display device includes an image display region displaying images, an automatic light sensor sensing ambient lighting conditions of a location of the display device, and a control system controlling an amount of light produced within the image display region by the displayed images based upon the sensed ambient lighting conditions, wherein the control system includes a single user interface displayed within the image display region and allows simultaneous enabling/disabling of the automatic light sensor and adjusting of image display characteristic values of the displayed images by a user.

06-23-2011

20110148834

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR AUTOMATICALLY CONTROLLING BRIGHTNESS - Disclosed herein are a liquid crystal display device including a photosensor for sensing brightness of external light such that the photosensor can stably sense the external light without influence of temperature or external noise, and a method for automatically controlling the brightness, the liquid crystal display device includes a liquid crystal panel having a display area and a non-display area defined therein and including first and second substrates facing each other and a liquid crystal layer filled between the first and second substrates, the first substrate having an outer portion protruding from the second substrate, a gate driver and a data driver formed in the non-display area of the first substrate, a photosensor formed in the outer portion of the first substrate, a dummy sensor formed in the non-display area of the first substrate covered by the second substrate, a backlight unit formed below the liquid crystal panel, and a control unit including a timing controller for controlling the gate driver, the data driver and the backlight unit, and a power supply unit for supplying a power voltage.

06-23-2011

20110148833

ELECTROPHORETIC DISPLAY AND METHOD FOR ADJUSTTING DRIVING SETTINGS THEREOF - A method for adjusting driving waveforms in an electrophoretic display includes: measuring grey level of the electrophoretic display periodically; comparing the measured grey level with a standard grey level, selecting a driving waveform from pre-stored driving waveforms according to the current grey level and the standard grey level if the measured grey level is not equal to the standard grey level; and applying the selected driving waveform to achieve the standard grey level. The electrophoretic display is also provided.

06-23-2011

20110148832

TRANSFLECTIVE DISPLAY - A device includes a light source and a display that includes a number of pixels. Each of the pixels includes a red subpixel, a blue subpixel, a green subpixel and a reflective subpixel. The device also include control logic configured to activate the reflective subpixels in the display when the light source is turned off.

06-23-2011

20110148835

DISPLAY DEVICE INCLUDING OPTICAL SENSOR AND DRIVING METHOD THEREOF - An object is to provide a display device with low power consumption and good display quality. A first substrate is provided with a terminal portion, a pixel electrode, a switching transistor including an oxide semiconductor, a first optical sensor having high optical sensitivity to visible light, and a second optical sensor having optical sensitivity to infrared light and having lower optical sensitivity to visible light than the first optical sensor. The illuminance or color temperature around a display device is detected using the first and second optical sensors, and the luminance or color tone of a display image is adjusted. A second substrate is provided so as to face the first substrate, and is provided with a counter electrode. In a period for displaying a still image, the switching transistor is turned off so that the counter electrode is brought into a floating state.

06-23-2011

20100164922

Backlight brightness control for panel display device - A display device is provided with a display panel; a backlight which illuminates the display panel; and a backlight brightness controller controlling a brightness of the backlight so that the brightness of the brightness is variable in the middle of each frame period.

07-01-2010

20100164919

LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device capable of performing image display with more adequate white level, during an operation of displaying an image which requires emphasizing white. A backlight illuminator for illuminating a liquid crystal display panel comprises a white light source adapted to generate white light, in addition to a laser source adapted to generate red light, blue light and green light. When an image to be displayed on a liquid crystal display panel requires emphasizing white, white light from the white light source is emitted to a liquid crystal display panel, in addition to red light, blue light and green light from the laser source. This makes it possible to display the image which requires emphasizing white, in the form of an image with more natural image quality.

07-01-2010

20100013811

PHOTO SENSOR AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image. The sensing unit disposed in a predetermined region of the transparent substrate and includes a first photo diode receiving a first driving power source to generate optical current so that a magnitude of the optical current is controlled in response to the brightness of the ambient light, a first capacitor for storing the optical current, and a first switch coupled between the first driving power source and the first photo diode to perform a switching operation.

01-21-2010

20100033456

DISPLAY DEVICE AND DISPLAY METHOD THEREOF - An object of the present invention is to provide a display device that achieves a balance between color reproducibility and luminance under the premise that the display device uses a display panel in which each pixel is configured by sub-pixels of four or more colors. An outside light detecting unit (

02-11-2010

20100053132

LIQUID CRYSTAL DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS CONTROL METHOD - A liquid crystal display apparatus according to the present invention includes: a liquid crystal panel; a backlight provided on a rear face of the liquid crystal panel; a detector which detects RGB output light levels of the backlight; a first controller which controls backlight current for driving the backlight so that a prescribed luminance is attained based on the RGB output light levels detected by the detector; and a second controller which controls display signals supplied to the liquid crystal panel so that a prescribed chromaticity is attained based on the RGB output light levels detected by the detector.

03-04-2010

20100201664

PHOTOSENSOR, PHOTOSENSOR APPARATUS INCLUDING THE PHOTOSENSOR, AND DISPLAY APPARATUS INCLUDING THE PHOTOSENSOR APPARATUS - Provided are a photosensor, a photosensor apparatus including the photosensor, and a display apparatus including the photosensor apparatus. The photosensor includes a substrate; a first light receiving layer which is formed on the substrate and comprises an oxide; a second light receiving layer which is connected to the first light receiving layer and comprises an organic material; and first and second electrodes which are respectively connected to the first and second light receiving layers.

08-12-2010

20100194724

LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device comprises a liquid crystal display panel; and a backlight. The backlight includes: a plurality of fluorescent lamps arranged in parallel in a plane parallel to the liquid crystal display panel; a housing for supporting each of the plurality of fluorescent lamps; and a plurality of blue light emitting elements each disposed between the housing and the plane in which the plurality of fluorescent lamps are arranged in parallel. The plurality of blue light emitting elements are arranged at positions overlapped with the plurality of fluorescent lamps when projected onto a plane parallel to a surface of the liquid crystal display panel from a direction perpendicular to the surface of the liquid crystal display panel, to thereby prevent yellowing from occurring in white color tone of the backlight.

08-05-2010

20100039414

Automatic brightness control for displays - An automatic brightness adjustment for devices with displays includes the capability to assess ambient light. The assessment may be made using circuitry, such as a light meter circuit, by exploiting exposure control circuitry, or using other approaches. The ambient light value is sent to a brightness adjustment driver, which may employ a look-up table to keep track of brightness adjustments for particular ambient conditions. The look-up table may include distinct adjustment values based upon the type of display.

REFLECTIVE DISPLAY DEVICE AND CONTROL CIRCUIT FOR REFLECTIVE DISPLAY DEVICE - There is provided a reflective display device that includes an illuminance detector configured to detect illuminance, a chroma corrector configured to correct chroma of image data in accordance with the illuminance detected by the illuminance detector, and a display element configured to display image data corrected by the chroma corrector.

05-26-2011

20110122107

Portable electronic display apparatus, control method of portable electronic display apparatus and control program of portable electronic display apparatus - A portable electronic display apparatus includes at least two screen units whose intersecting angle is changeable; an inclination detecting device, which are mounted on each of the screen units, for detecting inclination with the ground; a watched screen detecting device for detecting a screen unit which user watches through comparing the inclination values of the screen units each other; and a screen display controlling device for carrying out a page turning in the case that the watched screen detecting device detects that a screen unit which user watches is switched over and judges that a predetermined page turning executing condition is satisfied.

05-26-2011

20100328284

ELECTRONIC APPARATUS - An electronic apparatus includes, a power consuming unit that consumes electric power with operation of the electronic apparatus, a detection unit for detecting illumination intensity of light in an environment where the electronic apparatus is located, and a change unit that changes an operating state of the power consuming unit from a first state to a second state when an amount of change in the illumination intensity that is calculated from the illumination intensity detected by the detection unit, is equal to or larger than a predetermined threshold.

12-30-2010

20100066712

VIDEO PROCESSING APPARATUS AND VIDEO PROCESSING METHOD - According an aspect of the invention, a video processing apparatus including: a sensor configured to measure an illuminance level; and a processing unit configured to receive a video signal and perform a gamma correction processing on the video signal to correct luminance of the video signal by using a correction value for the illuminance level so that the correction value becomes smaller as the illuminance level gets larger.

03-18-2010

20100066713

IMAGE DISPLAY - An image display device including an illumination means and a display means is provided. The illumination means has: a light source including a plurality of partial lighting sections; a drive means for driving the partial lighting sections separately; a plurality of photo-reception elements; and a control means for controlling the drive means based on amount of light received with the photo-reception elements to control photo-emission quantity of each of the partial lighting sections. Light from one or a set of partial lighting sections is received commonly with two or more of the photo-reception elements. The control means controls a photo-reception quantity ratio to maintain an initial state value. The photo-reception quantity ratio is a ratio among photo-reception quantity values in the two or more of the photo-reception elements, each of the photo-reception quantity values corresponding to light from the one or the set of partial lighting sections.

03-18-2010

20100066714

DISPLAY DEVICE AND DRIVING CONTROL METHOD FOR THE SAME - A display device includes a display panel having a display area in which a plurality of display pixels are two-dimensionally arranged, to display image information, a power supply driving section applying, to each of the display pixels in the display area, one of a first power supply voltage having a voltage value at which the display pixel is set to a non-display-operation state and a second power supply voltage having a voltage value at which the display pixel is set to a display operation state, and a control section controlling the power supply driving section to set a area-ratio of an first area in the display area in which the display pixels to which the first power supply voltage is applied are arranged to an second area in which the display pixels to which the second power supply voltage is applied are arranged.

03-18-2010

20130257834

APPARATUS FOR CONTROLLING LIGHT OF DIGITAL DEVICE BASED ON IMAGE AND CONTROL METHOD THEREOF - The present invention relates to an apparatus for controlling light of a digital device based on an image and a control method thereof and can improve sensory effects by collecting light characteristic information of digital devices built in the playing environment based on an image played by an image player to extract an optimal light effect, improve the use efficiency of the digital devices by using the home network and the light of the two-way communicable digital devices to improve the sensory effects, and prevent personal information from being leaked in public and commercial facilities by allowing users to select the application of the received light control signal without collecting the light characteristic information of the mobile communication terminals when applying the sensory effects by controlling the light of the mobile communication terminals.

10-03-2013

20130257833

DISPLAY DEVICE INCLUDING PHOTO SENSOR AND DRIVING METHOD THEREOF - Provided is a display device including a photo sensor and a driving method. The display device includes a first sensing unit and a second sensing unit that sense light, at least one sensing signal line that is connected with the first sensing unit and the second sensing unit and transmits a reference voltage for resetting the first sensing unit and the second sensing unit, a sensing signal processor that processes a sensing signal from the sensing signal line, and a backlight that irradiates internal light toward the first sensing unit and the second sensing unit during an internal light irradiation period which is repeated per frame, in which the first sensing unit is reset once and the second sensing unit is reset at least three times during each frame.

10-03-2013

20130257832

IMAGE PICKOFF APPARATUS SYSTEM AND METHOD - Image apparatus, eyewear, and imaging methods are disclosed. The image apparatus may include a waveguide substrate having a viewing region and a detecting region. The viewing region includes a plurality of parallel partially reflective surfaces. Light from a scene may be received in the viewing region of the waveguide substrate with a portion passed through the viewing region and another portion reflected toward the detecting region of the waveguide substrate. The detecting region may direct the other portion toward a detector.

10-03-2013

20140362065

APPARATUS AND METHOD FOR SETTING DISPLAY DEVICE, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - An apparatus for setting a display device includes a target value obtainer, a measured value obtainer, and a determiner. The target value obtainer acquires a target value of a display setting including color temperature and brightness for a display device configured to display an image. The measured value obtainer acquires a measured value of display characteristics including the color temperature and the brightness in each of multiple states specific to the display device, from the display device for which the display setting is sequentially changed to the multiple states. The determiner determines a setting value in the display setting including the color temperature and the brightness from among the multiple states, on the basis of the target value and multiple measured values acquired by the measured value obtainer.

12-11-2014

20100007638

MOBILE ELECTRONIC DEVICE HAVING A GEOGRAPHICAL POSITION DEPENDENT LIGHT AND METHOD OF AND SYSTEM FOR ACHIEVING THE SAME - The present invention provides a method and system for controlling an illuminating device on a mobile electronic device comprising determining in a global position of the device in real-time, determining a state of at least one light condition currently affecting ambient light at the global position and adjusting the intensity of the illuminating device in response to the state of the at least one light condition. Light conditions include weather conditions and a position of the sun at a particular global position. A mobile electronic device having a geographically dependent illuminating device is also provided.

01-14-2010

20130207950

IMAGE DISPLAY APPARATUS - In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a first light amount value obtained by measuring a light amount when an input image signal agrees with a first reference signal level and a second light amount value obtained by measuring a light amount when the input image signal agrees with a second reference signal level; and corrects, when a calculation result of the threshold value and the slope efficiency varied after a predetermined time, a threshold current and also make a correction so that a light amount ratio of the light sources becomes the same as an initial value of a slope efficiency ratio.

08-15-2013

20130222354

Adjustment of Display Brightness - An apparatus including a display with a plurality of pixels, the pixels being configured to display data in co-operation with lighting of the pixels; and a plurality of ambient light sensors. Output of the ambient light sensors is configured to cause adjustment of amount of lighting for individual pixel groups of the display in response to amount of ambient light detected by the ambient light sensors. Each pixel group includes at least one pixel.

08-29-2013

20120320015

PLASMA DISPLAY DEVICE AND PLASMA DISPLAY SYSTEM - In a plasma display apparatus usable as a 3D image display apparatus, crosstalk is reduced to the user who views a 3D image displayed on the plasma display panel through a pair of shutter glasses. For this purpose, in a plasma display system, in each of fields for the right eye and fields for the left eye, luminance weights are set such that the first subfield in the one field has the heaviest luminance weight and those thereafter have luminance weights sequentially decreasing. A pair of shutter glasses is controlled in the following manner. The right eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the right eye. The left eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the left eye.

12-20-2012

20140184577

TRANSPARENT DISPLAY APPARATUS AND METHOD FOR CONTROLLING THE SAME - There are provided a transparent display apparatus and a method for controlling the same. The transparent display apparatus includes a transparent display unit that includes an emissive area and a transmissive area and is configured to display a video, an optical sensor configured to measure the amount of light, and a light shielding unit that is disposed on one surface of the transparent display unit and is configured to adjust transmittance on the basis of the amount of light.

07-03-2014

20120320014

System and Method for Adjusting Display Based on Detected Environment - In one embodiment the present invention includes a method that adjusts a display device according to a display environment. The method includes sensing the display environment of the display device and generating environment data that corresponds to the display environment. The environment data includes color data. The method further includes adjusting a color appearance model according to the color data, generating a control signal according to the color appearance model having been adjusted, and controlling a backlight of the display device according to the control signal. In this manner, a viewer perceives the images displayed by the display device in the manner intended by the content creator, because the adjustments to the color appearance model compensate for the viewer's physiological response to the display environment.

12-20-2012

20100238150

DISPLAY AND ELECTRONIC APPARATUS EQUIPPED WITH SAME - A display capable of performing ambient light detection with a high accuracy is provided. The display device is a display device having a backlight and a photo sensor for detecting ambient light and outputting a photocurrent according to an intensity of the ambient light, and further including a light-shielding member disposed below the photo-sensor for shielding light from the backlight; and a pseudo photo sensor disposed above the light-shielding member around the photo sensor. The pseudo photo sensor is made of the same material as the photo sensor, and formed in the same process as the photo sensor.

09-23-2010

20100156865

AUTOMATIC SCREEN AND KEYPAD BRIGHTNESS ADJUSTMENT ON A MOBILE HANDHELD ELECTRONIC DEVICE - A method is set forth for automatically adjusting screen and keypad brightness on a mobile electronic device having a light sensor, display screen and keypad, for optimum legibility under varying lighting conditions, with minimal eye strain and distraction. The method includes obtaining light level samples from the light sensor, and independently adjusting backlight intensity of the display screen and keypad responsive to the light level samples. Preferably, correct screen and keypad adjustments are made responsive to pulling the handheld device out of its holster notwithstanding non-optimal ambient light detection while the device is being removed from the holster. According to another aspect, the described method allows for ambient light detection in a handheld device where the light sensor and a message notification indicator share a common light pipe.

06-24-2010

20120327051

VISUAL DISPLAYS FOR AN AIRCRAFT FLIGHT DECK - A cockpit for an aircraft includes a windscreen through which light may pass, at least one seat spaced from and facing the windscreen, a flight deck having at least a portion disposed below the windscreen and having at least one head down display having an adjustable brightness that may be set by a brightness signal, a camera having a field of view including at least a portion of the at least one seat and outputting an image signal indicative of luminance information within the field of view, and a processor operably coupled to the camera and the head down display and configured to receive the image signal, determine a luminance of at least a portion of the field of view, determine a brightness for the head down display based on the determined luminance, and outputting to the head down display a brightness signal corresponding to the determined brightness.

12-27-2012

20140125643

AMOLED DISPLAY WITH OPTICAL FEEDBACK COMPENSATION - In one aspect of the invention, a display includes a substrate, and a plurality of pixels formed on the substrate and arranged in an array. Each pixel has a driving transistor having a gate electrode, a drain electrode and a source electrode, formed on the substrate, an organic light emitting diode (OLED) having a cathode layer, a anode layer and an emissive layer formed between the cathode layer and the anode layer, and formed over the driving transistor such that the anode layer of the OLED is electrically connected to the source electrode of the driving transistor, a bias electrode formed over the substrate, and a photo sensor having a photosensitive layer formed between the anode layer of the OLED and the bias electrode.

05-08-2014

20140125642

Display System Ocular Imaging - A device includes ocular image processing features. The device obtains ocular image data without requiring artificial lenses to capture the ocular image data. The device may, for example, obtain sensor data from a touch sensor associated with a display, recognize ocular image data within the sensor data, and process the ocular image data for any reason. This processing may occur regardless of the fact that the intended purpose of the sensor data was not for ocular imaging, but was intended for another purpose, such as detecting touch interactions with the display.

05-08-2014

20130222353

PRISM ILLUMINATION-OPTIC - This document describes techniques and apparatuses for implementing a prism illumination-optic for a vision-based interactive-display device. A vision-based interactive-display device includes a display to form images for viewing on a display surface of the device. The device further includes an illumination-optic having an upper face positioned towards the display surface and a lower face positioned towards the display. In accordance with various embodiments, the illumination-optic is configured with prisms on the lower face that reflect light out of the upper face of the illumination-optic to illuminate the display surface.

08-29-2013

20140071103

Object Tracking Apparatus and Control Method Thereof - The present invention discloses an object tracking apparatus including a reference object, an optical sensor and a controller. The reference object has a plurality of light emitting devices, for generating an optical signal. The optical sensor is for detecting the optical signal and generating an identification signal in response to the optical signal. The controller is for generating a control signal according to the identification signal and outputting the control signal to the reference object, thereby adaptively adjusting a light emitting number or light emitting intensity of the plurality of light emitting devices. The present invention discloses a method for controlling an object tracking apparatus.

03-13-2014

20140071102

DYNAMIC COLOR PROFILE MANAGEMENT FOR ELECTRONIC DEVICES - Dynamic white point management techniques include determining a white point of ambient light proximate to a display. A color profile adjustment is determined based upon the determined white point and intensity of the ambient light. The image color space is transformed to a display color space for rendering on the display based on the determined adjusted to the color profile.

03-13-2014

20140210803

MOBILE TERMINAL - A mobile terminal includes a terminal body including a display unit formed on one surface thereof, a cover coupled to the terminal body such that it can be converted into a closed state in which the display is covered and an opened state in which the display unit is exposed, a signal generating unit configured to generate a state signal according to the closed state and the opened state, and a controller configured to control the display unit such that the display unit is activated in the opened state on the basis of the state signal.

07-31-2014

20100156864

DRIVING DEVICE FOR DISPLAY AND DISPLAY USING THE SAME AND DRIVING METHOD OF THE DISPLAY - A driving device for a display and a display using same, and a driving method of the display are provided. The display includes a display panel on which an image is displayed, and at least one optical sensor (photodetector) to detect the intensity of ambient (external) light incident upon the display panel. An external-brightness detector outputs an external-brightness signal based on the intensity of external (ambient) light and a backlight brightness controller changes the brightness of the image displayed (or backlight) on the display panel according to the external-brightness signal. The driving device may be implemented on an integrated circuit adapted to be connected to external-light photodetectors of type 1 or of type 2. The driving device may be may be dynamically configured to generate the external-brightness signal by sensing a voltage level of the light detecting node in a first mode of operation and may be reconfigured to generate the external-brightness signal by sensing a current level of the light detecting node in a second mode.

06-24-2010

20100156863

Closed Loop Laser Control - The radiance of a laser is a function of drive current. The radiance is also a function of other factors, such as age and temperature. A laser projection device adjusts laser drive parameters using a gradient descent operation. The device parameters may be adjusted iteratively and periodically. The period may be shorter or longer than a scan line in a video image.

06-24-2010

20100245309

DISPLAY DEVICE AND ELECTRONIC APPARATUS COMPRISING THE SAME - A display device and an electronic apparatus comprising the same are disclosed. The display apparatus includes a photo-sensor for detecting ambient light and outputting a photocurrent according to the intensity of the ambient light, wherein the display apparatus comprises a current sampling unit and a light detection control unit. The current sampling unit is configured to sample the photocurrent outputted from the photo-sensor and to output a plurality of sampling signals to indicate the magnitude of the photocurrent. The light detection control unit is configured to determine an average of the sampling signals outputted from the current sampling unit. The current sampling unit starts a next sampling period corresponding to the end of one of the sampling signals.

09-30-2010

20160098973

METHOD FOR IMAGE DISPLAY AND IMAGE CONTROL MODULE USING THE SAME - A method for image display of a mobile device includes: determining a backlight intensity parameter according to a user-defined backlight brightness and an ambient light intensity value when the ambient light intensity value is greater than a predetermined threshold value; and providing backlight to a display module of the mobile device according to the backlight intensity parameter.

04-07-2016

20150054807

Methods and Apparatus for Estimating Light Adaptation Levels of Persons Viewing Displays - Methods and apparatus for estimating adaptation of the human visual system take into account the distribution of light detectors (rods and cones) in the human eye to weight contributions to adaptation from displayed content and ambient lighting. The estimated adaptation may be applied to control factors such as contrast and saturation of displayed content.

02-26-2015

20150054806

Display Device and Display Characteristic Correction Method - A display device includes: a display panel that displays an image; an optical sensor which measures an irradiation amount of light emitted by a display panel as a measured optical value; a measured value revising unit which revises a revision target measured optical value using a function and outputs it as a revised measured optical value; and a signal processing unit which generates from the revised measured optical value, a control value and generates a post-processing video signal from the control value and an input video signal supplied from an external device. The function represents a change in the irradiation amount during a disabled period in which the signal processing unit disables a stabilizing function of keeping the irradiation amount of the light source of the display panel constant.

02-26-2015

20150054805

DISPLAY DEVICE - A display device includes: an illumination detection unit which measures an external illumination value and outputs an illumination signal corresponding to the measured external illumination value; a control unit which determines an illumination range corresponding to the measured external illumination value based on the illumination signal and outputs a brightness control signal corresponding to the illumination range; and a display unit which displays an image based on the brightness control signal, where when the measured external illumination value corresponds to a low illumination range, an amount of brightness variation of the image displayed by the display unit is increased over time during a first interval.

02-26-2015

20100315395

IMAGE DISPLAY METHOD AND APPARATUS - Disclosed is an image display method in an image processing apparatus, the method including the steps of: sequentially generating frame images according to each color in rotation in such a manner as to generate one frame image by extracting pixel data corresponding to one color among red (R), green (G), and blue (B) colors from an entire pixel array of an image sensor, the pixel data matching a predetermined resolution; and consecutively displaying the frame images according to each color.

12-16-2010

20100315394

DISPLAY APPARATUS - The present invention provides a display apparatus with image capturing function including optical sensors in its pixels, particularly a display apparatus capable of capturing an image while suppressing the power consumption. The display apparatus includes: optical sensors and sensor wirings provided in a pixel region of an active matrix substrate; a sensor row driver for selecting the optical sensors row by row; a sensor pixel readout circuit for reading out signal charges from the optical sensors in the selected row; a sensor column amplifier including the number of amplifiers corresponding to the rows of the optical sensors for generating a sensor output voltage; a sensor column scanning circuit for selecting the signal charges readout by the sensor pixel readout circuit column by column so that the selected signal charges being outputted to the sensor column amplifier; and a buffer amplifier (

12-16-2010

20100141623

DISPLAY DEVICE, DISPLAY CONTROL METHOD, AND ELECTRONIC APPARATUS - A display device is provided and includes a first photosensor that detects the light amount of ambient light of a display area, a second photosensor that detects dark current arising when light is blocked, and changeover switches that select the first photosensor and the second photosensor. The display device further includes a comparator that compares the output of the selected first photosensor or second photosensor with a predetermined reference value, and control means that calculates the difference between the comparison result by the comparator with the first photosensor and the comparison result by the comparator with the second photosensor and controls the amount of light supplied to the display area corresponding to the calculation result. This configuration suppresses the influence of a detection error due to variation in the performance between the photosensors applied to the display device to thereby accurately adjust the amount of light supplied to the display area.

06-10-2010

20100123695

METHOD OF DRIVING LIGHT-EMITTING DIODES, BACKLIGHT ASSEMBLY FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE BACKLIGHT ASSEMBLY - A method of driving light-emitting diodes (LEDs), a backlight assembly for performing the method, and a display apparatus having the backlight assembly are disclosed for various embodiments. For example, the backlight assembly includes a light source unit and a light source controller. The light source unit includes red, green, and blue LEDs generating red, green, and blue light, respectively. The light source controller detects amounts of the red, green, and blue light, respectively, to compare the actual light amount ratio of the red, green, and blue light with the reference light amount ratio. The light source controller controls the red, green, and blue LEDs, respectively, so that an actual light amount ratio becomes substantially identical to a reference light amount ratio when the actual light amount ratio is not identical to the reference light amount ratio.

05-20-2010

20150348468

Displays with Adaptive Spectral Characteristics - An electronic device may include a display having an array of display pixels and having display control circuitry that controls the operation of the display. The display control circuitry may adaptively adjust the spectral characteristics of display light emitted from the display to achieve a desired effect on the human circadian system. For example, the display control circuitry may adjust the spectral characteristics of blue light emitted from the display based on the time of day such that a user's exposure to the display light may result in a circadian response similar to that which would be experienced in natural light. The spectral characteristics of blue light emitted from the display may be adjusted by adjusting the relative maximum power levels provided to blue pixels in the display or by shifting the peak wavelength associated with blue light emitted from the display.

12-03-2015

20100020052

METHOD OF CONTROLLING DISPLAY CHARACTERISTIC AND DISPLAY APPARATUS USING THE SAME - A display characteristic control method provides an on-screen display (OSD) of display characteristics values automatically controlled according to ambient illuminance levels, to enable user recognition and confirmation of current values. A display apparatus adopting the method includes a display module for displaying a video signal; an illuminance sensor for detecting a level of ambient illuminance; a system controller for adjusting, based on the detected ambient illuminance, at least one display characteristic of the display module and for generating a set of control values corresponding to the adjusted at least one display characteristic; a display characteristic controller for controlling the display module using the adjusted at least one display characteristic; and an OSD generator for generating OSD data for display on a display screen together with the video signal, the displayed OSD data corresponding to the display characteristic control values of the adjusted at least one display characteristic.

01-28-2010

20100020051

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A method of driving an organic light emitting display device including a plurality of pixels during a frame including subframes includes: representing gray levels by utilizing some of the subframes of the frame prior to degradation of an organic light emitting diode of each of the plurality of pixels; and compensating for the degradation of the organic light emitting diodes by changing the utilized subframes to increase a portion of the frame utilized by the plurality of pixels to represent the gray levels.

01-28-2010

20130082993

APPARATUS AND METHOD FOR CONTROLLING IMAGE OUTPUT IN PROJECTOR APPARATUS - An apparatus and method for controlling image output in a projector apparatus are provided. An ambient illuminance value of the projector apparatus is measured, and a parameter value used to determine brightness of an image is adjusted depending on the measured ambient illuminance value. The image is processed based on the adjusted parameter value, contributing to enhancement of visibility of the output image.

04-04-2013

20130285993

SYSTEM AND METHOD FOR ADJUSTING DISPLAY BRIGHTNESS BY USING VIDEO CAPTURING DEVICE - A system includes a display, a video capturing device mounted on the display, and a brightness controller. The video capturing device captures N number of consecutive images during a time period. The brightness controller includes an object detecting unit for selecting one of the N number of images as a reference image and processing the other n−1 number of images relative to the reference image to detect any user of the display, a position determining unit for detecting a position of the user and determining any movement vector of the user of the N−1 images, a state determining unit for determining if the user is or is not using the display according to any movement vector of the user, and a brightness adjusting unit for adjusting a brightness of the display accordingly.

CONTROL METHOD FOR LENS DRIVE SCREEN - The present invention provides a control method and its system of lens drive screen, wherein a lens connected to electronic device is displaced, then a displacement signal is generated and sent to the microprocessor of electronic device for identification, and then the displacement signal is converted into a control signal to control the display screen of the electronic device; the system mainly comprising: a lens, used for acquiring initial images and shift images; a control program, loaded into an electronic device; it employs shape detection algorithm and target tracking algorithm to position the initial images and track the varying shift, rotation or zooming of the lens as well as the relative displacement, and convert it into a displacement signal to the electronic device; then, the microprocessor of the electronic device converts the displacement signal into a control signal so as to control on-screen operation by the application.

05-06-2010

20100090997

FUNCTIONAL DISPLAY TYPE ANTI-BLINDING DEVICE - Disclosed is a functional display type anti-blinding device having an anti-blinding plate for indication and control of a screen display condition and variation in light transmittance. The anti-blinding plate includes a filter to selectively filter light, a polarizer to polarize the filtered light, a shutter LCD having a variable light transmittance based on control of a light transmission control unit, a transparent dot-matrix LCD to indicate the screen display condition based on control of a display control unit, and a glass protector at the rear of the transparent dot-matrix LCD. The shutter LCD flickers several times to indicate an initial state and is turned off. The transparent dot-matrix LCD is turned on upon turn-off of the shutter LCD to indicate the screen display condition. The shutter LCD is turned on upon turn-off of the transparent dot-matrix LCD to transmit light based on preset light transmittance.

04-15-2010

20100090996

LCD DISPLAY WITH PHOTO SENSOR TOUCH FUNCTION - The present invention relates to a method for driving a display device having a panel having a display region and a peripheral region, a first photosensor member formed in the display region, and a second photosensor member formed in the peripheral region. In one embodiment, the method includes the steps of measuring an intensity of ambient light by the second photosensor member, and driving the first photosensor member according to the measured intensity of the ambient light, so as to sense a change of incident light caused by a touch on the display region.

04-15-2010

20130181962

LED ARRAY WITH PHOTODETECTOR - Embodiments of the present invention provide for an array, and corresponding method of forming an array, that includes a plurality of light emitting devices. The light emitting devices are disposed over a substrate, and a photodetector detects light emitted through the substrate from the light emitting devices. Further, a substantially constant brightness may be maintained in a plurality of light emitting devices disposed over the upper surface of a substrate in an array. Light emitted through the substrate from each of the light emitting devices is measured, and the voltage level applied to each of the light emitting devices is varied to maintain a substantially constant brightness level of light emitted from the light emitting devices.

07-18-2013

20130181959

SIGNAL OUTPUT APPARATUS AND SIGNAL TRANSMITTING AND RECEIVING SYSTEM - A signal output apparatus including a light-emitting element, first brightness control circuitry and second brightness control circuitry. The first brightness control circuitry is supplied with a first signal and controls a brightness of the light-emitting element according to the first signal so as to illuminate the light-emitting element at a first brightness when the first signal is ON. The second brightness control circuitry is supplied with a second signal including at least first and second states and controls the light-emitting element to be illuminated at a second brightness different from the first brightness if the second signal assumes the first state when the light-emitting element is illuminated by the first control circuitry at the first brightness according to the first signal.

07-18-2013

20140368483

METHOD OF ADJUSTING DISPLAY UNIT AND ELECTRONIC DEVICE - A method for an electronic device with a display unit and an electronic device are provided. The method may comprise: obtaining an environmental parameter under an environment where the electronic device is disposed when the display unit is in a first display status, the environmental parameter including at least an environmental color temperature parameter of the environment and configured for adjusting the display status of the display unit; determining whether to adjust the display status based on at least the environmental color temperature parameter included in the environmental parameter to get a first determination result; and adjusting the display status from the first display status to a second display status different from the first display status if the first determination result indicates that it is to adjust the display status.

12-18-2014

20120235967

DISPLAY DEVICE - Provided is a display device that can determine an event in accordance with an input operation without using a complex circuit configuration for image processing by simplifying a difference image processing. The display device is provided with a driver circuit for outputting a first control signal, which indicates a first detection period including an ON period of a light source, and a second control signal, which indicates a second detection period not including the ON period of the light source, and performing reset and read-out operations for sensor pixel circuits. The display device is further provided with a difference circuit

09-20-2012

20120206427

LIGHT SOURCE DRIVING DEVICE, LIGHT SOURCE DRIVING METHOD, AND IMAGE DISPLAY DEVICE - A switching power source for driving a light emitting element, a pulse-drive switching element connected in parallel to the light emitting element, a photodetector for detecting an intensity of an output light output from the light emitting element, a current detecting element for detecting a current flowing from the switching power source, and an operation processing unit that controls an operation of the switching power source by performing a feedback loop operation based on a detection result from the photodetector and a feedback loop operation based on a detection result from the current detecting element are provided to stabilize an emission waveform even when the light emitting element is subjected to a pulsed emission.

08-16-2012

20100060620

Display System and Electrical Appliance - A display system in which the luminance of light-emitting elements in a light-emitting device is adjusted based on information on an environment. A sensor obtains information on an environment as an electrical signal. A CPU converts, based on comparison data set in advance, the information signal into a correction signal for correcting the luminance of EL elements. Upon receiving this correction signal, a voltage changer applies a predetermined corrected potential to the EL elements. Thus, this display system enables control of the luminance of the EL elements.

LASER PROJECTION DISPLAY DEVICE AND LASER DRIVE CONTROL METHOD - A laser projection display device includes: a laser light source drive unit; an attribute amount detection unit for detecting the attribute amount of a picture signal; a light sensor for measuring the light amounts of the laser light sources; and a temperature sensor for measuring the temperatures of the laser light sources. The laser projection display device is configured so that the current vs. light amount output characteristics of the laser light sources with a threshold current and current gain as a parameter are corrected in accordance with the load amount of the picture signal per frame if the change of the attribute amount exceeds a predefined amount; the light sources are driven at a predefined timing of the vertical blanking interval; controls the threshold currents and current gains in accordance with the light amounts; and the threshold currents and current gains are corrected on the basis of the measured temperatures.

09-11-2014

20150123957

SYSTEM AND METHOD FOR LUMINANCE CORRECTION - A system and a method for luminance correction that can remove luminance spots of a display device. The system includes a display device, an image detection unit, and a luminance correction device. The display device includes a plurality of sub-pixels including first sub-pixels and corresponding second sub-pixels. The image detection unit is configured to measure respective luminance values of the first sub-pixels. The luminance correction device is configured to supply test data so that only the first sub-pixels emit light, and to calculate correction values corresponding to the plurality of sub-pixels based on difference values between the respective luminance values measured by the image detection unit and one or more target luminance values.

05-07-2015

20150123956

IMAGE DISPLAY APPARATUS, CONTROL METHOD OF IMAGE DISPLAY APPARATUS, LIGHT SOURCE APPARATUS, AND CONTROL METHOD OF LIGHT SOURCE APPARATUS - An image display apparatus includes N detecting units, a light emitting unit having n light sources for each of the detecting units, a control unit configured to control light emission of the light sources, a storage unit configured to store, for each combination of the light source and a detecting unit that does not correspond to the light source, a degree of influence of light from the light source on a detection value, and an acquiring unit configured to acquire a light value of the light source on the basis of N detection values that are obtained in the state where the N light sources are being turned on and the degrees, wherein the control unit performing processing of turning on the N light sources n times to acquire light values of N×n light sources.

05-07-2015

20110273414

ILLUMINANCE DETECTION METHOD, FLIP-TYPE ELECTRONIC DEVICE AND PROGRAM - For solving a problem that it cannot measure illuminance level around user interface correctly, an illuminance detection method includes a first step of detecting an open operation of a flip-type electronic device having the user interface located at an inner side in a closed state, and a second step of measuring illuminance level in a vicinity of an area where the user interface is exposed in an opened state of the flip-type electronic device when the open operation is detected.

11-10-2011

20130215093

Power-Optimized Image Improvement In Transflective Displays - The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for improving quality (e.g., eliminating parallax and/or increasing contrast) of an observed image in displays (e.g., transflective displays) in a reflective mode by creating at least one complimentary image based on measurements of ambient light luminance and/or diffusivity as well as minimizing the power necessary to achieve readability in low ambient light. In one embodiment the parallax (shadow) image may be inverted and displayed on the emissive display to cancel the parallax image. In another embodiment an improvement of readability (e.g., thus improving contrast) of a positive polarity text/graphic image on the LCD may be accomplished by using an inverted blurred version of the same image multiplied with the original image.

08-22-2013

20110157115

METHOD OF CORRECTING BRIGHTNESS OF ELECTRONIC DISPLAY - The present invention discloses a method of brightness correction for the electronic display, which consists of the following steps: take pictures of the electronic display; get the characteristic values of all the light-emitting components in the pictures; calculate the correction values of each light-emitting component with the characteristic values; correct the brightness of the display with the correction values. The present invention reduces the time cost of measuring the actual brightness values of the light-emitting components, and improves the efficiency of correcting the brightness uniformity of the electronic display.

06-30-2011

20100103151

DISPLAY DEVICE AND DISPLAY METHOD - The present invention includes a display device for displaying an image and receiving light simultaneously or alternately. The display device includes: a plurality of display elements for displaying the image on a display surface of the display device by emitting light; a plurality of light receiving elements for receiving light incident on the display surface formed by the display elements; a storing unit for storing, as an initial value, a difference between two amounts of light received by the light receiving elements; and a detecting unit for detecting a state of contact with or proximity to the display surface and subtracting the initial value stored by the storing unit from a difference between the two detected amounts of received light.

04-29-2010

20110292010

3D GLASSES AND A 3D DISPLAY APPARATUS - Three-dimensional (3D) glasses according to the present disclosure are interconnected to a 3D display apparatus and include: a glass unit, a glass driving unit which drives the glass unit, an infrared (IR) sensor unit which receives a sync signal transmitted from the 3D display apparatus, a window unit which, when the 3D glasses are directed to the 3D display apparatus, transmits the sync signal to the IR sensor unit and transmits external IR light, incident from a direction different from the direction of the 3D display apparatus, away from the IR sensor unit, and a controlling unit which controls the glass driving unit based on the sync signal.

12-01-2011

20100085339

SENSOR ELEMENT AND METHOD OF DRIVING SENSOR ELEMENT, AND INPUT DEVICE, DISPLAY DEVICE WITH INPUT FUNCTION AND COMMUNICATION DEVICE - The present invention provides a sensor element including two diode elements connected in series to each other, and a capacitive element having one end connected to a junction point between the two diode elements. Each of the diode elements includes a semiconductor layer having a p-type semiconductor region and an n-type semiconductor region facing each other in an in-plane direction, an anode electrode connected to the p-type semiconductor region, a cathode electrode connected to the n-type semiconductor region, a gate insulting film adjoining the semiconductor layer in a stacking direction, and a gate electrode facing the semiconductor layer with the gate insulating film in between.

04-08-2010

20150062103

DISPLAY APPARATUS, LIGHT-EMITTING DEVICE, AND CONTROL METHOD OF DISPLAY APPARATUS - To reduce the occurrence of flicker in an image with almost no movement and reduce the occurrence motion blur in an image with movement, an image processing apparatus detects movement information from acquired image data. The image processing apparatus causes a display unit to perform first light emission to display a first frame, and also causes the display unit to perform second light emission to display a second frame, the first frame and the second frame corresponding to one frame of the acquired image data. The image processing apparatus controls at least either light emission time periods of the first light emission and the second light emission or light emission luminances of the first light emission and the second light emission based on the movement information.

03-05-2015

20120133623

ELECTRONIC SHELF LABEL APPARATUS FOR SWITCHING IMAGES AND METHOD THEREOF - There is provided an electronic shelf label including an image display unit displaying a first image; a sensor unit detecting image switching signals; and a processor unit determining whether the image switching signals detected by the sensor unit are valid and switching the first image displayed on the image display unit to a second image when the image switching signals are valid, and a communication unit receiving a plurality of image data displayed on the image display unit. The processor unit determines that the image switching signals are valid when a detection duration time of the image switching signals is longer than a predetermined first threshold time. By this configuration, the electronic shelf label can switch a plurality of images and reduce the influence of disturbance to thereby prevent unnecessary image switching. Further, the electronic shelf label can provide product-related information for a manager or the like as well as for a purchaser.

05-31-2012

20100079426

SPATIAL AMBIENT LIGHT PROFILING - A method for applying user experience effects to a displayed image. The method may sample data from sensors and create a profile based on the sampled data. The method may use the profile to alter the displayed image to reflect the environment of a computing system.

04-01-2010

20100177077

HIGH-LUMINANCE FRONTLIGHT ASSEMBLY AND RELATED DISPLAY SYSTEMS - Systems and apparatus are provided for viewing a display element configured to reflect light rays incident on a surface of the display element. A microdisplay system comprises a display element having a reflective surface and a polarizer configured to absorb light rays of a first polarization and transmit light rays of a second polarization orthogonal to the first polarization. A light deflection element is disposed between the reflective surface of the display element and the polarizer, and a light source is disposed adjacent to the light deflection element. The light source is configured to produce light rays, wherein the light deflection element deflects light rays from the light source having the first polarization toward the reflective surface of display element and transmits light rays reflected from the display element having the second polarization.

Display apparatus, light detection method and electronic apparatus - Disclosed herein is a display apparatus, including pixel circuits disposed in a matrix at positions at which signal lines and scanning lines cross each other and individually including a light emitting element; a light emission driving section to apply a signal value to each of the pixel circuits to cause the circuit to emit light of a luminance; and a light detection section provided in each of the pixel circuits and including a sensor-switch serving element which functions by switching thereof between an on state and an off state and functions, in the off state thereof, as a light sensor for detecting light from the light emitting element of the pixel circuit, and a detection signal outputting transistor connected to a light detection line for outputting light detection information corresponding to a variation amount of current of the sensor-switch serving element in the off state to the light detection line.

07-07-2011

20110164012

DISPLAY DEVICE - In a photosensor in the pixel region of an active matrix substrate, the potential of a storage node is read out to output wiring as sensor circuit output, the potential of the storage node having changed in accordance with the amount of light received by a photodetection element in a sensing period, the sensing period being from when a reset signal (RS) is supplied until when a readout signal (RW) is supplied. A sensor startup period whose length is greater than or equal to the length of the sensing period is provided after a sensor data unnecessary period in which the sensor circuit output is not necessary, and furthermore before a valid sensor data period in which the sensor circuit output is necessary, and the sensor circuit output is read out in the valid sensor data period from the photosensor to which the reset signal was applied in the sensor startup period.

07-07-2011

20100118007

LIQUID CRYSTAL DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal device comprising, at least, a liquid crystal element comprising at least a pair of substrates and a liquid crystal material disposed between the pair of electrodes, and electric field-applying means for applying an electric field to the liquid crystal element. The electric field-applying means applies a reverse electric field (−T

05-13-2010

20120182276

AUTOMATIC ADJUSTMENT OF DISPLAY SYSTEMS BASED ON LIGHT AT VIEWER POSITION - Methods, systems, and apparatuses are described for automatic adjustment of display systems based on ambient light intensity. Ambient light intensity of a viewing environment is determined from a location of a display system or from a location separate from the display system. Ambient light information may be collected using light sensor(s) or image sensor(s) of a camera or other imaging capturing device. When a viewer is present, ambient light intensity may be determined from a perspective of the viewer. The determined light intensity information is used to determine a white balance level. A characteristic of the display system is adjusted based on the determined white balance level.

07-19-2012

20120182278

Methods and Apparatus for Estimating Light Adaptation Levels of Persons Viewing Displays - Methods and apparatus for estimating adaptation of the human visual system take into account the distribution of light detectors (rods and cones) in the human eye to weight contributions to adaptation from displayed content and ambient lighting. The estimated adaptation may be applied to control factors such as contrast and saturation of displayed content.

07-19-2012

20130057527

DISPLAY DEVICE - Provided is a display device that is capable of ensuring a wide dynamic range of an optical sensor even in the case where an offset due to ambient temperature changes is compensated with use of an output of a reference element. The display device has optical sensors in a pixel region of an active matrix substrate (

03-07-2013

20130021308

ELECTRONIC DEVICE AND METHOD FOR ADJUSTING BACKLIGHT BRIGHTNESS - A device and a method for adjusting backlight brightness employed in a display are provided. The electronic device includes a display unit, a backlight unit, a light sensor, a distance sensor, and a control unit. The backlight unit is configured to emit backlight for the display unit. The light sensor is configured to sense ambient brightness of the electronic device in real time. The distance sensor is configured to sense an object within a predetermined coverage area in real time. The control unit is configured to detect whether the ambient brightness changes, evaluate whether the object is sensed by the distance sensor within the predetermined coverage area when detecting that the ambient brightness is low, and not control the backlight unit to adjust the backlight brightness of the display unit when the object is sensed within the predetermined coverage area.

01-24-2013

20140009452

DISPLAY CONTROL DEIVCE - A display control device includes an image data generating section and a control section. The image data generating section is configured to perform generation processing for generating image data in a predetermined processing sequence for each of a plurality of predetermined data units of the image data. The control section is configured to control a display unit to execute display processing based on the image data in the processing sequence for each of the predetermined data units. The control section is configured to control the display unit so that the longer a first time relating to the generation processing for one of the predetermined data units of the image data is, the longer a second time until the display processing starts for the one of the predetermined data units of the image data is.

01-09-2014

20100164923

Driving system for display device - A driving system of the present invention for use in a displaying device is provided with a pseudo bit-depth extension section. In the pseudo bit-depth extension section, a noise pattern is added to upper-n-bit data of an input signal D

07-01-2010

20150123955

Display With Peak Luminance Control Sensitive to Brightness Setting - A display may have an array of display pixels to display images. Digital display data may be received by a digital-to-analog converter. The digital-to-analog converter can convert the digital display data to analog display data for the display pixels. The magnitudes of the analog display data signals that the digital-to-analog converter provides to the display pixels can be controlled by a control signal such as a reference voltage received by the digital-to-analog converter. A brightness controller may have multiple peak luminance control profiles. A brightness setting may be processed by a look-up table to produce information identifying a selected one of the peak luminance control profiles. The brightness controller may use the selected peak luminance control profile and average frame luminance for the digital display data to produce the reference voltage that controls the digital-to-analog controller.

DEVICE FOR EXITING SCREEN SAVER MODE - A device includes an infrared sensor, a signal processing unit, a first signal conversion unit, a second signal conversion unit, and an interface. The infrared sensor senses infrared rays and outputs a signal to the signal processing unit. The signal processing unit processes the signal, and outputs a processed signal to the first signal conversion unit. The first signal conversion unit transforms the processed signal into a keyboard signal, and outputs the keyboard signal to the second signal conversion unit. The second signal conversion unit transforms the keyboard signal into an interface signal according to type of the interface, and outputs the interface signal to the interface. The interface outputs the interface signal to a computer connected to the interface, to cause the computer to exit a screen saver mode.

05-23-2013

20130044093

DISPLAY AND METHOD OF DETERMINING A POSITION OF AN OBJECT APPLIED TO A THREE-DIMENSIONAL INTERACTIVE DISPLAY - A display includes a backlight source, display panel, first light source, and controller. The display panel includes a sensor array for sensing first reflection light generated from an object reflecting first detection light. The first detection light is generated by the backlight source for locating a coordinate of a projection point of the object on the display panel. The first light source is disposed in a first side of the display panel, for repeatedly transmitting second detection light of different transmitting angles to the object at different time to generate a second reflection light. The second reflection light is sensed by the sensor array. The controller is for performing a corresponding operation according to a transmitting angle of the first light source and the coordinate of the projection point when brightness value of the reflective light is substantially greater than a predict value.

02-21-2013

20130082992

ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus is provided with a housing, display module, holder, and camera module. The housing has a front surface formed with an opening. The display module is accommodated in the housing and includes a screen exposed in the opening. The holder is secured to the display module. The camera module is held by the holder so that it can capture an image outside the housing.

DISPLAY ADJUSTING DEVICE AND DISPLAY ADJUSTING METHOD - A display adjusting device adapted for adjusting display parameter(s) of a display unit includes a light sensing unit for sensing an environmental illumination associated with the display unit; an image capturing unit for capturing an image of a user in front of the display unit; and a controlling unit, electrically connected to the display unit, the light sensing unit and the image capturing unit, for selectively adjusting a first display brightness of the display unit to a second display brightness according to the environmental illumination, calculating a distance between eyes of the user and the display unit according to the image, and selectively adjusting the second display brightness to a third display brightness according to the distance.

DUAL-FUNCTION LIGHT GUIDE FOR LCD BACKLIGHT - A light emitter/sensor includes a lamp, a light sensor, a light guide, and a light controller. The light guide has a pair of opposite ends and is optically-coupled to the lamp and the light sensor at one of the ends. The light guide is configured to convey light emitted from the lamp to the other end of the light guide, and from that other end to the light sensor. The light controller is coupled to the lamp and the light sensor and is configured to flash the lamp and to determine the intensity of light at that other end of the light guide, via the light guide and the light sensor, during an interval between the flashes.

ABSORBER STACK FOR MULTI-STATE INTERFEROMETRIC MODULATORS - Various implementations described herein involve multi-state interferometric modulators (MS-IMODs) without dielectric layers capable of affecting optical performance formed on the mirrors. The MS-IMODs disclosed herein may include a novel combination of high refractive index and low refractive index layers in the absorber stack. Some such MS-IMODs include absorber stacks having an absorber layer, a first high-index layer disposed between the absorber layer and the substrate, a low-index layer disposed between the absorber layer and the first high-index layer and a second high-index layer disposed on a side of the absorber layer facing the mirror. The absorber stack and the mirror may define a gap therebetween and may be capable of being positioned in a plurality of positions relative to one another to form a plurality of gap heights. In some implementations, the closest position corresponds with a black state gap height.

12-10-2015

20140132579

OPTICAL PROJECTION SYSTEM CAPABLE OF DETECTING PROJECTION IMAGE DEFORMATION AND ASSOCIATED DETECTION METHOD - An optical projection system capable of detecting projection image deformation is provided. The optical projection system includes a laser source system, a scan unit, a detection unit and a signal control processing unit. The laser source system generates a visible laser having a visible wavelength and a detection laser. The scan unit projects the visible laser and the detection laser onto a projection plane, and drives the visible laser and the detection laser to scan along multiple scan lines to form a projection image. The detection unit detects the detection laser reflected by the projection plane, and outputs a voltage signal. The signal control processing unit determines whether the projection image is deformed according to the voltage signal, and accordingly determines whether to perform a correction operation.

05-15-2014

20110298764

METHOD AND DEVICE FOR AUTOMATICALLY CONTROLLING LUMINANCE OF DISPLAY UNIT - A method and an apparatus for displaying and controlling a screen of a portable terminal device are provided. The apparatus includes a sensor for detecting illumination according to peripheral brightness, and a display unit for outputting display data of the portable terminal device, for storing gamma register values corresponding to luminance data, for displaying the display data on a screen, for converting the detected illumination into luminance, and for selecting a gamma register value corresponding to the luminance to control the brightness of the screen.

12-08-2011

20110298763

NEIGHBORHOOD BRIGHTNESS MATCHING FOR UNIFORMITY IN A TILED DISPLAY SCREEN - Brightness between the individual tiles of a tiled display system is matched for improved uniformity and overall brightness of images produced by the display system. Regions of the display system adjacent to a tile with low brightness performance are incremented in brightness from the brightness level of the low brightness tile to the brightness level of higher brightness tiles. By incrementing the brightness of such regions according to embodiments of the invention, perceived brightness uniformity of images produced by the tiled display system is maintained while maximizing the overall brightness of the display device. The regions used to increment brightness may be as large as an entire tile or as small as a single pixel element.

12-08-2011

20110032228

Luminance Adjustment Systems and Methods for Display Units - Luminance adjustment systems and methods for display units are provided. The system includes a display unit, an image sensor, and a processing unit. The image sensor captures at least one image. The processing unit receives the image from the image sensor, and obtains the image luminance of the image. The processing unit adjusts a display luminance of the display unit according to the image luminance.

02-10-2011

20160049106

DISPLAYING ALWAYS ON DISPLAY-RELATED CONTENT - Systems and methods for displaying always-on content on a display of a mobile device allow the device to use a low power processor for certain always-on content and to coordinate with the device application processor for the remaining always-on content. In an embodiment, a pixel row-skip pattern is specified by the low power processor based on the display screen's resolution setting as well as ambient light conditions. In a further embodiment, the execution of pixel rendering in keeping with the prescribed pattern is synchronized between the device's low power processor and main application processor.

02-18-2016

20140192033

3D IMAGE APPARATUS AND METHOD FOR DISPLAYING IMAGES - A three-dimensional (3D) image apparatus is provided. The 3D image apparatus includes a display unit, a front camera, and a processor. The front camera captures an image of the eyes of the user. The processor is coupled to the display unit and the front camera. The processor determines the position of the eyes of the user based on the image of the eyes of the user, and determines whether to display a 3D image or a two-dimensional (2D) image on the display based on the position of the eyes of the user.

07-10-2014

20160140907

Display Apparatus - Provided is a display apparatus which allows a user to easily confirm contents of an image during displaying, when a cover covering a display region is present, even without removing the cover.

05-19-2016

20160140906

COMPUTING DEVICE AND IMAGE PROCESSING METHOD THEREOF - A computing device includes an illumination sensor which detects external illumination, a processor which sets a screen design as a first screen design when a first condition is satisfied, wherein the first condition is satisfied when the external illumination is lower than a first threshold illumination value and a current illumination, which is currently stored, is higher than the first threshold illumination value, and sets the screen design as a second screen design when a second condition is satisfied, wherein the second condition is satisfied when the external illumination is higher than a second threshold illumination value higher than the first threshold illumination value and the current illumination is lower than the second threshold illumination value, and a display which displays an image on a screen thereof based on the set screen design.

05-19-2016

20100123696

IMAGE DISPLAY APPARATUS AND METHOD - With regard to an image to be displayed on a display unit, a calculation unit calculates a display luminance from the input image. A luminance distribution acquisition unit takes a scene image including the display unit from a view position of the display unit, and acquires a luminance distribution as an average of luminances of the scene image. A correction unit corrects the display luminance, so that a corrected display luminance is within an estimated luminance range of perceptible difference of luminances on the display unit. The estimated luminance range is estimated with the average. The display unit displays the image based on the corrected display luminance.

05-20-2010

20100265228

SELF-LUMINESCENT DISPLAY DEVICE AND ELECTRONIC APPARATUS - A self-luminescent display device includes a pixel unit in which a plurality of pixels including a self-luminescent pixel is arranged, an external light sensor which measures an external light intensity, a temperature sensor which measures an environmental temperature, an image correcting unit which corrects image data input to the image correcting unit on the basis of statistical data of the image data, a light adjusting unit which produces a light adjusting signal on the basis of a measurement signal of the external light sensor, a temperature control unit which produces a temperature correcting signal on the basis of a measurement signal of the temperature sensor, and a display control unit which produces a brightness correcting signal for correcting light emitting brightness of the pixels in the pixel unit on the basis of the light adjusting signal and the temperature correcting signal. The light emitting brightness of the pixels in the pixel unit is adjusted on the basis of the image data corrected by the image correcting unit and the brightness correcting signal.

10-21-2010

20100265227

INTELLIGENT DIGITAL PHOTO FRAME - A digital photo frame (DPF) includes a power management unit connected to a power source, configured for distributing power from the power source to the DPF; a display panel configured for displaying displayable media; a motion sensor configured for detecting whether there is someone around the DPF and producing a trigger signal when having detected that someone is around the DPF; a light detector configured for detecting current ambient light level and producing a light signal corresponding to the detected ambient light level; and a processing unit configured for adjusting brightness of the display panel according to the trigger signal and the light signal.

10-21-2010

20130181958

DISPLAY SYSTEM AND METHOD FOR ADJUSTING BRIGHTNESS OF DISPLAY DEVICE - A display system includes a display device, a solar panel, a voltage reader, a processor and a brightness control unit. The solar panel generates a voltage according to an intensity of sunlight. The voltage reader receives the voltage from the solar panel and transfers to the processor. The processor receives the voltage of the voltage reader and generates a control signal according to the voltage of the voltage reader. The brightness control unit receives the control signal and adjusts the brightness of the display device according to the control signal.

LIGHT SENSING DEVICE HAVING A COLOR SENSOR AND A CLEAR SENSOR FOR INFRARED REJECTION - A light sensing device has a first filter to block visible light in a light path. The light sensing device also has a first color sensor and a clear sensor, to detect light in the light path after the first filter. A light intensity calculator computes a measure of the intensity of visible light in the light path, based on a difference between (a) an output signal of the first color sensor, and (b) an output signal of the clear sensor. Other embodiments are also described and claimed.

12-08-2011

20130063408

PROJECTION DEVICE, WHICH COMPRISES A PROJECTOR, A PROJECTION SURFACE, AND A DATA PROCESSING SYSTEM, AND METHOD FOR OPERATING SAID PROJECTION DEVICE - A projection device and to a method for operating the device. The projection device includes a projector, a projection surface, and a data processing system, wherein information about the image on the projection surface is transferred to the data processing system and wherein the data processing system controls the projector. The projection surface is designed as a planar optical waveguide, in which photoluminescent particles are integrated and on which a plurality of photoelectric sensors are attached, which are able to couple light out of the waveguide mode and to thereby generate an electrical signal, the strength of which depends on the intensity of the light coupled out at the photodetector.

03-14-2013

20130063407

DISPLAY DEVICE - Disclosed is a display device that can compensate for variations of light-detecting element while securing a wide dynamic range of light sensors. This is a display device equipped with light sensors having operation modes for one frame period, which are: a sensor driving mode for obtaining sensor signals, a first correction data acquisition mode for obtaining a first correction data, and a second correction data acquisition mode for obtaining a second correction data. This display device further includes a memory that stores light sensor signal levels obtained, under a controlled ambient environmental condition, by driving the light sensors in the above-mentioned three modes as offset elimination data. A signal-processing circuit uses the first correction data and the second correction data, and the light sensor signal level corrected with the offset elimination data to correct the light sensor signal obtained in the sensor driving mode.

03-14-2013

20140333593

IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF - An image display apparatus includes: a plurality of light emitting units; a display panel; a first acquisition unit configured to acquire brightness information, a first control unit configured to determine light emission quantity for each of the light emitting units; a second acquisition unit configured to acquire a detected value of light from a predetermined region; a first determination unit configured to determine whether a change due to a difference of the light emission quantity between the light emitting units is generated in the light from the predetermined region; a calibration unit configured to perform calibration of display characteristics; and a second control unit configured to control the calibration on the basis of a determination result of the first determination unit.

11-13-2014

20130162611

APPARATUS AND METHOD FOR CONTROLLING SCREEN BRIGHTNESS IN A MOBILE TERMINAL - An apparatus and a method for controlling screen brightness in a mobile terminal are provided. Particularly, an apparatus and a method for providing information regarding a currently set screen brightness degree and simplifying a process for changing a brightness control mode in a mobile terminal are provided. A sensing unit of the terminal determines an amount of ambient light during an automatic brightness control mode that controls the screen brightness, and a screen manager controls the screen brightness according to either a user mode or an automatic mode where the transition from the automatic mode to the user mode is simplified.

06-27-2013

20160140889

Ambient Light Adaptive Displays - An electronic device may include a display having an array of display pixels and having display control circuitry that controls the operation of the display. The display control circuitry may adaptively adjust the display output based on ambient lighting conditions. For example, in cooler ambient lighting conditions such as those dominated by daylight, the display may display neutral colors using a relatively cool white. When the display is operated in warmer ambient lighting conditions such as those dominated by indoor light sources, the display may display neutral colors using a relatively warm white. Adapting to the ambient lighting conditions may ensure that the user does not perceive color shifts on the display as the user's vision chromatically adapts to different ambient lighting conditions. Adaptively adjusting images in this way can also have beneficial effects on the human circadian rhythm by displaying warmer colors in the evening.

05-19-2016

20130141407

STEREOSCOPIC DISPLAY SYSTEM USING LIGHT-SOURCE DETECTOR - A stereoscopic display system for displaying stereoscopic image data includes an illumination system that provides a temporal sequence of illumination from left-eye and right-eye light sources having different optical properties, and a monochrome reflective display system including a directly-viewable display surface having display pixels with a controllable reflectance. The illumination system is selectively connectable to the display. When the illumination system and display system are connected, the display system synchronously controls the reflectance of the display pixels according to image data for left-eye and right-eye images. When the illumination system and display system are not connected, the display pixels are controlled to display a monoscopic image determined from the stereoscopic image data. The illumination system optionally provides illumination using a plurality of illumination color channels to provide color stereoscopic images.

06-06-2013

20110304599

LED Driving Device and Display Apparatus - An embodiment of the present invention includes an LED driving device that causes a plurality of LEDs to emit light, wherein the device includes: an LED driving circuit configured to drive the LEDs so that at least one of the plurality of LEDs emits light as a first. LED and an LED around the first LED is prevented from emitting light as a second LED; a photodetection unit configured to detect light emission of the first LED through the second LED and detect a light emission quantity of the first LED; and a controller configured to adjust a light emission quantity of the first LED based on the light emission quantity of the light emission of the first LED detected by the photodetection unit.

SYSTEM AND METHOD FOR USING DIGITAL DISPLAYS WITHOUT OPTICAL CORRECTION DEVICES - A computer implemented system and method to produce display screen images intended to be seen clearly by users with various eye problems such as myopia and astigmatism. Here the system receives input regarding the desired optical correction needed to allow the user to see the image clearly, such as by determining the distance to the user and also optionally calibrating the system according to the degree of optical correction needed by the user. In some embodiments, the display screen may have a plurality of pixel addressed light deflectors configured to change the angle of light emitted by the display screen at various locations in order to bring the computer generated image in better focus. In other embodiments, the system may convolute the display images in order to compensate for eye abnormalities such as astigmatism. In other embodiments, both light deflectors and image convolution methods may be used.

12-10-2015

20150070337

AMBIENT LIGHT CONTEXT-AWARE DISPLAY - Embodiments are disclosed that relate to modifying a display of a portable electronic device to account for ambient light. For example, one disclosed embodiment provides a method comprising determining an ambient light history including a plurality of ambient light color conditions sensed over a duration of device operation by an ambient light sensor, reading a display-ready image having a plurality of pixels from an image source, adjusting a manner in which the display-ready image is displayed by color-shifting at least a subset of the plurality of pixels based on the plurality of ambient light color conditions in the ambient light history to thereby generate a color-modified image, and displaying the color-modified image on the display of the portable electronic device.

IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND INTEGRATED CIRCUIT - An image display device including a light source, an image display unit including plural pixels, a deflection unit which includes plural regions and deflects, for each of the plural regions, a light beam traveling from the light source toward the image display unit, and a light control unit which controls the deflection unit to cause each of light beams passing through a corresponding one of the regions of the deflection unit to be deflected toward one of a first point and a second point that are different from each other, according to a pixel value of the pixel corresponding to the region.

05-09-2013

20120007845

MULTIPROJECTION DISPLAY SYSTEM AND SCREEN FORMING METHOD - Provided is a multiprojection display system that includes a plurality of cameras configured to capture images of predetermined vertex regions including vertexes of projected images projected from two-dimensional scanning projectors onto a screen, an image-capturing timing control unit configured to control the cameras to capture images of the screen for a predetermine period including a display. start row of one frame of the projected image or a predetermined period including a display end row, and a vertex position detection unit configured to detect vertexes of the respective projected images from data relating to the plurality of images captured by the cameras, and to output data relating to image edges indicating positions of the vertexes. A projector control unit adjusts, when the vertex of the projected image shifts from a present reference position, a scanning range of the two-dimensional scanning projector so that the vertex can be matched with the reference position.

01-12-2012

20120019495

DETECTING DEVICE CAPABLE OF ECONOMIZING ELECTRICITY AND DETECTING METHOD THEREOF - A detecting device capable of economizing electricity includes a first sensor for sensing a first physical quantity, an electronic paper (E-paper) display for displaying information of the first physical quantity, and a controller electrically connected to the first sensor and the E-paper display for controlling the E-paper display to display the information of the changed first physical quantity when the first sensor senses the changed first physical quantity. The controller is further for closing the E-paper display when the first sensor does not sense that the first physical quantity is changed, so that the E-paper display continues displaying the last first physical quantity sensed by the first sensor before the E-paper display is closed.

01-26-2012

20120019492

DISPLAY BRIGHTNESS CONTROL BASED ON AMBIENT LIGHT LEVELS - Methods and devices are provided for controlling the brightness of a display for an electronic device based on ambient light conditions. In one embodiment, an electronic device may employ one or more brightness adjustment profiles for changing the brightness of a display based on the ambient light level. The brightness adjustment profiles may include two or more sections, each corresponding to different ambient light levels, which may be adjusted independently of one another. The different sections may allow a user to customize brightness adjustments for different ambient light conditions. In certain embodiments, the slope and/or offset of a section may be adjusted in response to receiving a user input that changes the brightness setting for a certain ambient light level.

01-26-2012

20130088469

MICRO-SHUTTER DISPLAY DEVICE - Disclosed is a display device and, more particularly, a micro-shutter display device including: a light source emitting light; a lower substrate having an optical conversion unit performing at least any one of a function of converting back light output from a light source into primary colors corresponding to sub-pixels and a function of reflecting ambient light having a primary color band corresponding to sub-pixels; a micro-shutter opening and closing a path of light output from the optical conversion unit; and a driving circuit supplying a driving signal to a movable unit electrode or a fixed counter electrode, wherein the micro-shutter includes: a shutter micro-structure comprised of a shutter blade blocking light output from the optical conversion unit and a shutter aperture allowing light output from the optical conversion unit to be transmitted therethrough; an elastic element connected to the shutter micro-structure to provide elastic restoring force when the shutter micro-structure structure is driven; a movable unit electrode configured to be connected to the shutter micro-structure; and a fixed counter electrode spaced apart by a certain interval from the movable unit electrode.

SYSTEM AND METHOD FOR DYNAMIC LOAD SHARING BETWEEN ELECTRONIC DISPLAYS - A system and method for allocating power to a plurality of displays is disclosed. An exemplary system preferably includes an AC current sensor, a power load sharing controller, ambient light sensors for each display, and a brightness controller for each display. A maximum total current draw may be selected. The ambient light contacting each display may be measured and a corresponding desired brightness calculated. Depending on the present amount of current draw, the system determines if the displays can be driven at the desired brightness without exceeding the maximum total current draw. If yes, the displays are driven at their desired brightness. If no, the desired brightness for each display may be slightly reduced to prevent exceeding the maximum total current draw. Thus, as the ambient light varies between the displays, the available power may be shared.

01-31-2013

20100085340

Display apparatus - A display apparatus includes a panel in which a plurality of pixels illuminated by self-luminous elements are arranged in a matrix and a photodetector disposed on a back surface of the panel for measuring the luminance of the pixels. Each of the pixels has an aperture portion on a reflective layer provided below a luminous layer, to transmit light emitted from the luminous layer.

04-08-2010

20100085338

IMAGE DISPLAY DEVICE - An image display device of the present invention adopts a field sequential method whereby image display is performed by sequentially lighting light emitting devices in a backlight portion for each field. The image display device includes: a brightness sensor that is arranged so as to face the backlight portion with a display panel sandwiched in between and detects the brightness of light emitted from the backlight unit and transmitted through the display panel for each of light emitting colors; or a brightness sensor that detects the brightness of the light from the backlight portion for each of the emission colors and detects, by a common light receiving section, the brightness irrespective of the emission colors. The brightness of the light of the backlight portion is controlled according to the detected brightness value for each of the emission colors. This enables constant white balance adjustment to be achieved while realizing accurate detection of brightness required for the white balance adjustment.

04-08-2010

20100134457

DISPLAY DEVICE - The present invention provides a display device with an image capture function including optical sensors in its pixels, in particular, a display device which allows a reduction in the size of a substrate and in power consumption by reducing the area of a peripheral region not contributory to displaying. The display device includes: an active matrix substrate (

06-03-2010

20130141409

GAMMA CORRECTION METHOD - A gamma correction method includes displaying a reference pattern on a panel, acquiring first luminance information including a luminance value of each point of the panel by taking an image of the panel using a surface distribution luminance meter, acquiring first correction luminance information by comparing the first luminance information with average luminance information, displaying a gradation pattern on the panel, acquiring second luminance information by taking an image of the panel using the surface distribution luminance meter, correcting and standardizing the second luminance information based on the first correction luminance information, and obtaining a gamma curve from the gradation pattern having the corrected second luminance information.

06-06-2013

20130141408

Automatic Optical Detection Method and Optical Automatic Detector - The present invention relates to an automatic optical detection method and an optical automatic detector. The automatic optical detection method includes the following steps: in the step of colored light projection, the lamplight with tricolor light is uniformly projected on an object to be detected to form images with different colors; gray-scale information corresponding to different zones of the images is obtained, then, an automatic optical inspection standard image is generated, and the automatic optical inspection standard image and a prestored reference image are contrastively detected. In the present invention, only the gray-scale information of the images needs processing, so the data quantity and the processing difficulty of an image processing unit and a statistical analysis unit are reduced, which is favorable for increasing the reliability, accuracy, repeatability and speed of data acquisition, and the present invention reduces the requirement of the detector, which is favorable for reducing the input cost of the detector.

06-06-2013

20130141406

COLOR MULTICHANNEL DISPLAY SYSTEM USING ILLUMINATION DETECTOR - A color display system includes an illumination system that provides a temporal sequence of illumination color channels, and a monochrome reflective display system including a directly-viewable display surface having display pixels with a controllable reflectance. The display system detects an active illumination color channel being provided by the illumination system and controls the reflectance of the display pixels according to image data for a corresponding image color channel. When no illumination color channel is being provided to the display surface, the display pixels are controlled to display a monochrome image determined from the color image data.

06-06-2013

20110069050

Display system - A display panel comprises a plurality of display printed circuit boards ‘PCB’ each of which has a plurality of light sources; and at least one bus bar; wherein the bus bar is electrically and physically connected each of the PCBs such that the plurality of PCBs are coupled together and held in registration with one another.

LIQUID CRYSTAL DISPLAY AND DRIVING METHOD OF THE SAME - A liquid crystal display (“LCD”) and a driving method of the same are provided. The LCD includes a photo sensor including a ring oscillator having cascade-connected inverters, wherein the output signal of the ring oscillator has a frequency varying according to the ambient luminance.

12-17-2009

20130016080

BACKLIGHT ADJUSTMENT SYSTEM - A preferred embodiment relates to controlling the amount of backlight in an electronic display to account for the temperature in the backlight cavity. Another embodiment relates to a system for controlling the amount of backlight based on both the temperature in the backlight cavity and the amount of ambient light. The embodiments are especially useful in electronic displays which are subjected to cold or warm temperatures and displays which are placed in very bright environments. Exemplary embodiments allow the display to remain visible, while avoiding possible damage due to high levels of heat or cold.

01-17-2013

20130113768

DISPLAY DEVICE AND DRIVE METHOD FOR SAME - Disclosed is a display device having an optical sensor with increased sensitivity. The display device is provided with: a display panel that includes a plurality of display pixel circuits (

05-09-2013

20140198084

METHOD AND SYSTEM FOR DISPLAY BRIGHTNESS AND COLOR OPTIMIZATION - Systems and methods for display brightness and color optimization include detecting, by a sensor communicatively coupled to a display, a change in an environmental brightness level. Additionally, in response to the change in the environmental brightness level, modifying a brightness level of the display and modifying a color gamut available to the display.

07-17-2014

20130100097

DEVICE AND METHOD OF CONTROLLING LIGHTING OF A DISPLAY BASED ON AMBIENT LIGHTING CONDITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for controlling lighting of a display based on ambient light conditions. In one aspect, a display device can include a display and an auxiliary light source configured to provide supplemental light to the display. The display device further can include a sensor system configured to measure a diffuse illuminance of ambient light from a wide range of directions and configured to measure a directed illuminance of the ambient light from a relatively narrow range of directions. The display device further can include a controller configured to adjust the auxiliary light source to provide an amount of supplemental light to the display. The amount of supplemental light can be based at least in part on the measured directed illuminance and the measured diffuse illuminance of the ambient light.

04-25-2013

20120127140

MULTI-MODE LIQUID CRYSTAL DISPLAY WITH AUXILIARY NON-DISPLAY COMPONENTS - A liquid crystal display, alone or in combination with any kind of computing device, may comprise a plurality of pixels, each pixel comprising a plurality of sub-pixels, each sub-pixel comprising a transmissive part and a reflective part, wherein a cross sectional area of the reflective part is greater than half of a total cross sectional area of an entire size of that sub-pixel; one or more auxiliary components that are in a non-transmissive part of the sub-pixel and that are configured to provide one or more auxiliary functions that do not affect optical performance of that sub-pixel. In various embodiments the auxiliary components are electronic digital memory logic or drivers; electronic high refresh rate logic or drivers; touch sensor elements, and the display further comprising a touch panel sheet over the pixels; light sensors; photodiodes; photovoltaic solar power generating cells; organic light emitting diodes.

05-24-2012

20150009193

DISPLAY PANEL, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A display panel includes a panel section having a display area in which a plurality of display pixels are two-dimensionally disposed and a ring-like frame area provided at the periphery of the display area, and a barrier section that is disposed at a position opposed to the panel section and has a barrier pattern composed of a light blocking area and a light transmissive area. Both the light blocking area and the light transmissive area are disposed in a first area opposed to the display area and a ring-like second area opposed to the frame area.

01-08-2015

20140198085

PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.

07-17-2014

20130016082

ON DEMAND CALIBRATION OF IMAGING DISPLAYS - A self-calibrating imaging display system includes a display comprising a screen and at least one photosensor associated with the screen and generating an output signal correlating to measurements for at least one region of the screen. The system further includes a display adaptor configured for, during a calibration routine, generating a display test pattern in the at least one region of the screen comprising at least one measurement field that comprises a number of pixels less than a total number of pixels of the screen and causing the at least one measurement field to be stepped through a sequence of increasing display driving level values. The system also includes a calibration module configured for, during the calibration routine, receiving the output signal, comparing the output signal to reference data, and generating at least one correction factor based on the comparing.

01-17-2013

20130201167

THREE-DIMENSIONAL IMAGE SENSOR AND MOBILE DEVICE INCLUDING SAME - A 3D image sensor includes a depth pixel that includes; a photo detector generating photo-charge, first and second floating diffusion regions, a first transfer transistor transferring photo-charge to the first floating diffusion region during a first transfer period in response to a first transfer gate signal, a second transfer transistor transferring photo-charge to the second floating diffusion region during a second transfer period in response to a second transfer gate signal, and an overflow transistor that discharges surplus photo-charge in response to a drive gate signal. Control logic unit controlling operation of the depth pixel includes a first logic element providing the first transfer gate signal, a second logic element providing the second transfer gate signal, and another logic element providing the drive gate signal to the overflow transistor when the first transfer period overlaps, at least in part, the second transfer period.

08-08-2013

20120146973

DISPLAY DEVICE - The present invention relates to a display device that measures display characteristics (such as luminance or chromaticity) associated with a display panel. The display device of the present invention has a light sensor (

06-14-2012

20120044222

DISPLAY APPARATUS AND METHOD FOR CONTROLLING BACKLIGHT - Provided are a display apparatus and a method for controlling a backlight. A display apparatus including a backlight partitioned into a plurality of sections according to an exemplary embodiment of the present invention includes: an external brightness measurer measuring and providing front brightness values of the display apparatus corresponding to the sections; an image signal analyzer analyzing an inputted image signal and calculating and providing a brightness influence value of each section by adjacent sections; and a control signal corrector converting a source backlight control signal of each section corresponding to the image signal into an intermediate backlight control signal of each section on the basis of the front brightness values and the brightness influence values of the sections and comparing the intermediate backlight control signal with the previous final backlight control signal to generate the current final backlight control signal.

02-23-2012

20120068981

LUMINESCENCE SHOCK AVOIDANCE IN DISPLAY DEVICES - A luminescence shock avoidance algorithm is disclosed to selectively limit the brightness level of a display device when the display device is activated in a dark environment to prevent the temporary vision impairment that can occur when a display device is activated in a dark environment. The algorithm receives the state of the display (e.g. on or in standby mode), and can optionally receive an ambient lighting value from an ambient light sensor and a user-selectable manual brightness adjustment setting to determine whether luminescence shock avoidance should even be triggered, and if it is triggered, how much should the brightness level of the display be limited.

03-22-2012

20120068980

STORAGE MEDIUM HAVING STORED THEREON DISPLAY CONTROL PROGRAM, DISPLAY CONTROL APPARATUS, DISPLAY CONTROL SYSTEM, AND DISPLAY CONTROL METHOD - Captured image acquisition means acquires a captured image captured by a real camera. Color detection means, in the captured image acquired by the captured image acquisition means, detects at least one pixel having specific range color information in color information including at least one selected from the group including RGB values, a hue, a saturation, and a brightness. Image generation means, on the basis of the specific range color information of the at least one pixel detected by the color detection means, generates an image of an object to be placed in a virtual world. Image display control means displays the image generated by the image generation means on a display device.

03-22-2012

20100118008

COLOR PROCESSING APPARATUS, COLOR PROCESSING METHOD, AND STORAGE MEDIUM - A color processing apparatus that creates a lookup table for performing a conversion process corresponding to ambient light comprises: an obtainment unit configured to obtain the illuminance of the ambient light and the device luminance of a destination device; a creation unit configured to create an adaptive luminance function from the illuminance of the ambient light and the device luminance; a setting unit configured to set an adaptive white luminance from a luminance value of grid point color data corresponding to a grid point in the lookup table, using the adaptive luminance function; a conversion unit configured to perform a conversion process on the grid point color data in accordance with a color appearance model, using the adaptive white luminance; and a saving unit configured to save the converted color data in the lookup table.

PROJECTION DEVICE - Various embodiments relate to a projection device for projecting useful data onto a projection surface. In this case, a first laser device generates radiation having a first wavelength and a second laser device generates radiation having a second wavelength. The spots of the respective beams are detected by a sensor device and fed to a drive device for the laser devices. Said drive device temporally shifts the drive signals relative to one another in such a way that a horizontal distance between the spots is minimized. Various embodiments furthermore relate to a corresponding method for projecting useful data.

01-31-2013

20130100096

DEVICE AND METHOD OF CONTROLLING BRIGHTNESS OF A DISPLAY BASED ON AMBIENT LIGHTING CONDITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for controlling brightness of a display based on ambient light conditions. In one aspect, a display device can include a reflective display and an auxiliary light source configured to provide supplemental light to the display. The display device further can include a sensor system configured to determine an illuminance of ambient light, and a controller configured to adjust the auxiliary light source to provide an amount of supplemental light to the display based at least in part on the determined illuminance. In one aspect, the amount of supplemental light remains substantially the same or substantially increases in response to increasing illuminance when the illuminance is below a first threshold, and substantially decreases in response to increasing illuminance when the illuminance is above a second threshold that is greater than or equal to the first threshold.

04-25-2013

20120262434

IMAGE DISPLAY APPARATUS AND METHOD FOR CONTROLLING THEREOF - A selected divided light-emitting region, from a plurality of divided light-emitting regions, emits light in a light emitting unit and adjusts the light emission amount for each of the plurality of divided light-emitting regions based on the light emission amount detected by a detection unit.

10-18-2012

20120139885

LIQUID CRYSTAL DISPLAY DEVICE - According to the present invention, area control of a liquid crystal display device prevents luminance insufficiency attributing to leaking of illumination light between adjacent areas. A peak luminance detector detects a peak luminance area in which a luminance level is equal to or higher than a first threshold. A peripheral luminance detector detects luminance levels of peripheral areas located adjacent to the peak luminance area. When the average of the luminance levels of the peripheral areas is equal to or lower than a second threshold, a peak luminance corrector increases a light source luminance level of a backlight cell that corresponds to the peak luminance area.

06-07-2012

20110193838

Driving Device, Driving Method, and Flat Panel Display - A driving device for a flat panel display includes a distance detection module for detecting a distance between a base point of a housing of the flat panel display and a user, to generate a detection result, and a control module for adjusting output effects of the flat panel display according to the detection result.

08-11-2011

20120056862

DISPLAY DEVICE AND ELECTRONIC APPARATUS - To provide a display device whose display can be recognized even in dark places or under the strong outside light. The display device performs display by controlling the number of gray scales in accordance with the intensity of outside light, which means a display mode can be switched in accordance with the data to be displayed on the display screen. A video signal generation circuit is controlled in each display mode in such a manner that it directly outputs an input video signal with an analog value, outputs a signal with a binary digital value, or outputs a signal with a multivalued digital value. As a result, gray scales displayed in pixels are timely changed. Accordingly, clear images can be displayed while maintaining high visibility in various environments, in the wide range from, for example, dark places or indoors (e.g., under a fluorescent lighting) to outdoors (e.g., under the sunlight).

03-08-2012

20120056861

SEMICONDUCTOR DEVICE - The semiconductor device includes a plurality of photosensors arranged in matrix. The photosensors each include a photoelectric conversion element and an amplifier circuit. A backlight is turned on, an object to be detected is irradiated with light, and the photosensor in a p-th row performs the reset operation and the storage operation. After that, the backlight is turned off, and the photosensor in a (p+1)th row performs the reset operation and the storage operation. Then, the photosensors in all the rows sequentially perform the selection operation. A difference between output signals obtained from the photosensors in adjacent rows is obtained. Using the difference, a captured image of the object is generated and a region where the object exists is detected. The amplifier circuit includes a transistor for holding stored electric charge, in which a channel is formed in an oxide semiconductor layer.

03-08-2012

20130120332

DISPLAY DEVICE - A display device including optical sensors in a pixel region, in which the number of bus lines for supplying driving signals to the optical sensors is reduced, is provided. The display device includes a display pixel circuit (

05-16-2013

20140022223

MOBILE TERMINAL AND METHOD OF CONTROLLING A MOBILE TERMINAL - A mobile terminal includes a controller to change a brightness of a screen at a predetermined rate based on a predetermined condition and to maintain the screen brightness at a threshold value when the screen brightness reaches the threshold value. The predetermined condition may be based on at least one of screen activation, adaption time, ambient illumination, initial brightness value, occurrence of user activity, or a watching time of a user.

01-23-2014

20120001879

BILLBOARD DISPLAY SYSTEM AND METHOD - A billboard display method includes: capturing images of a scene near the screen by a number of cameras, detecting the images from the cameras to determine whether there is a person nearby the screen, detecting the images to determine a relative position of the person to the screen upon the condition that there is a person nearby the screen, and controlling a media to be shown at a corresponding position of the screen according to the relative position of the person to the screen.

01-05-2012

20120105403

OPTICAL SENSE-CONTROL SYSTEM - An optical sense-control system, for receiving a first and second lights, includes: a first and a second optical filters, wherein the transmission of the first light having a majority intensity in a first wave-length band is greater than the that of the second light having a majority intensity in a second wave-length band in the first optical filter, the first wave-length band is less than the second wave-length band, and the transmission of the second light is greater than the that of the first light in the second optical filter; and a optical detection module, arranged in a side of the first and the second optical filters, for creating a first control signal while detecting the first light emitting through the first optical filter at a first zone and creating a second control signal while detecting the second light emitting through the second optical filter at a second zone.

05-03-2012

20120105400

CAMERA LENS STRUCTURES AND DISPLAY STRUCTURES FOR ELECTRONIC DEVICES - A camera may be mounted under a display in an electronic device. The display may include a polarizer layer, a color filter layer, and a thin-film-transistor layer. A layer of material such as a glass insert may be attached to an edge of the display. Openings may be formed in the layers of the display and the insert to accommodate the camera. A sleeve structure may be mounted within an opening. The camera may include lens structures formed from a stack of lens elements. One or more layers of the display may be interposed within the lens structures. The glass insert may be mounted within a notch in the color filter layer and thin-film transistor layer or along a straight edge of the color filter layer and thin-film transistor layer. The edge of the color filter layer may be recessed with respect to form a mounting shelf for the insert.

05-03-2012

20120068978

BACKLIGHT SYSTEM FOR A DISPLAY - A method and system for modifying a pulse width modulation signal for controlling the backlit illumination intensity of a liquid crystal display. The modified pulse width modulated signal may be selected to operate with at least one pulse having a first duty cycle with the remaining pulses in the pulse width modulation signal having a second duty cycle across a selected number of pulses making up a given time period (i.e., frame). By utilizing more than one duty cycle for the pulses of the pulse width modulated signal to drive light sources in a display during a given frame, the overall number of backlit illumination intensities for the liquid crystal display may be increased. By distributing the differing pulse duty cycles within a group of pulses of within a frame, visible artifacts may be reduced.

Ambient Black Level - Techniques for operating a display system in a wide range of ambient light conditions are provided. An intensity of ambient light on a display panel may be detected. The display panel may be illuminated by light sources in addition to the ambient light. An individual light source may be individually settable to an individual light output level. If it is determined that the luminance level of the ambient light is above a minimum ambient luminance threshold, an ambient black level may be calculated using the intensity of ambient light. Light output levels of one or more of the light sources may be elevated to first light output levels. Here, the one or more light sources may be designated to illuminate one or more dark portions of an image. The first light output levels may create a new black level equaling the determined ambient black level.

06-13-2013

20130147776

SYSTEM AND METHOD FOR AUTOMATICALLY ADJUSTING ELECTRONIC DISPLAY SETTINGS - Described are systems and methods for automatically adjusting a set of display settings. At least one image sample is displayed at a first display according to display settings of the first display. Electromagnetic radiation generated from the first display is collected. The electromagnetic radiation includes first image data related to the at least one image sample at the first display. An image sample is displayed at a second display according to display settings of the second display. Electromagnetic radiation generated from the second display is collected. The electromagnetic radiation includes second image data related to the image sample at the second display. A margin of error is determined between the first image data and the second image data. The display settings of the second display are adjusted to reduce the margin of error.

06-13-2013

20150009192

IMAGE DISPLAY APPARATUS AND IMAGE OPTIMIZATION METHOD THEREOF - An image display apparatus and an image optimization method are provided. The image display apparatus includes an image content analyzer, a luminance compensator, and an image optimization processor The image content analyzer receives image data and ambient luminance and generates a backlight luminance adjustment value according to the image data and the ambient luminance. The luminance compensator generates an image data luminance adjustment value according to the backlight luminance adjustment value and generates first image data by adjusting the luminance of the image data according to the image data luminance adjustment value. The image optimization processor generates a saturation adjustment weight according to the image data luminance adjustment value. According to the saturation adjustment weight, the image optimization processor generates output image data by adjusting the luminance of the first image data.

01-08-2015

20120013583

BRIGHTNESS LEVEL ADJUSTMENT OF A LIGHTED DISPLAY DEVICE - A lighted display device that includes a display device, a backlight device and an electrical delay circuit. The backlight device is disposed proximate the display device and configured to emit light directed to the display device. The ambient light sensor is configured to generate a signal to adjust a brightness level of the light from the backlight device based on a change in input ambient light. The electrical delay circuit is configured to apply a fixed, non-user configurable time delay to delay the adjustment of the brightness level of the light from the backlight.

01-19-2012

20120162166

DISPLAY APPARATUS AND AUTOMATIC ADJUSTMENT METHOD THEREOF - A display apparatus includes a photoelectric sensor disposed on an inner side of a frame and located corresponding to a corner of a pixel area of a display panel in a predetermined position. When the display apparatus is turned on, the display panel provides a light spot at a corner of a current pixel area of the display apparatus corresponding to the photoelectric sensor, and a micro-control circuit compares an electronic signal received from the photoelectric sensor with a sample value. If different, an interrupt is triggered to execute a position offsetting interrupt program to adjust the display parameter of the display apparatus, thereby moving the pixel area to adjust the relative position of the light spot and the photoelectric sensor, so that the relative position becomes identical to that when the pixel area of the display panel is in the predetermined position.

06-28-2012

20120162169

ACTIVE MATRIX TYPE ORGANIC EL DISPLAY DEVICE AND ITS DRIVING METHOD - To control a chronological luminance decrease of an organic EL element in an active matrix drive type organic EL display and to provide a reliable organic EL display. An organic EL display comprising a luminance decrease detector to detect a luminance decrease of an organic EL element; a reverse bias voltage generator to generate a reverse bias voltage pulse according to an amount of the luminance decrease; and a controller to control applying the above reverse bias voltage pulse to a driving transistor in a time period in which the organic EL element emits no light.

06-28-2012

20120162168

METHOD OF SETTING GAMMA OF DISPLAY DEVICE - A method of setting gamma of a display device comprises: sensing an optical characteristic from a display module; comparing a color coordinate the sensing of an optical characteristic and a target color coordinate and determining a fluctuation value of R gamma and a fluctuation value of G gamma; determining whether the fluctuation value of R gamma and the fluctuation value of G gamma determined at the determining of a fluctuation value satisfy an allowable error; first correcting of correcting the fluctuation value of R gamma and the fluctuation value of G gamma and lowering or raising according to the fluctuation values of R, G and B gamma; second correcting of lowering or raising according to the fluctuation values of a corrected R, G and B gamma; and applying R gamma, G gamma, and B gamma corrected at the second correcting to the display module.

06-28-2012

20140210802

AMBIENT LIGHT AWARE DISPLAY APPARATUS - Systems, apparatus, and methods are disclosed herein for adjusting the operation of a display based on ambient lighting conditions. One such apparatus includes a sensor input for receiving sensor data indicative of an ambient lighting condition, output logic and color gamut correction logic. The output logic is configured to simultaneously cause light sources of at least two colors to be illuminated to form each of at least three generated primary colors. The color gamut correction logic is configured to cause the output logic to adjust the output of at least one display light source for each of the at least three generated primary colors to change the saturation of each of the at least three generated primary colors based on the received ambient light sensor data.

07-31-2014

20160055825

ELECTRONIC DEVICE AND METHOD OF ADJUSTING USER INTERFACE THEREOF - An electronic device includes a control unit, an environment sensor unit configured to detect working environment of the electronic device to get a detected environment information, a storage unit configured to store a preset environment threshold, and a display unit. The control unit is configured to compare the detected environment information with the preset environment threshold, determine a type of the working environment of the electronic device, and controls the display unit to adjust user interface or interaction mode of the electronic device, according to the type of the working environment of the electronic device. A method of adjusting a user interface of an electronic device is also provided.

02-25-2016

20130147777

Application of MEMs Pixels in Display and Imaging Devices - MEMS shutters are applied in displays and imaging devices. In a display, sensors may detect light from a light source that is back-reflected by a MEMS shutter and/or ambient light that enters through the MEMS shutter. The sensors may be used to monitor performance of the light source and/or ambient lighting conditions. In an imaging device, MEMS shutters may be applied to selectively block light to prevent overexposed areas within an image.

06-13-2013

20130155042

IMAGE CORRECTION DATA GENERATING SYSTEM, IMAGE CORRECTION DATA GENERATING METHOD, AND IMAGE CORRECTION DATA GENERATING PROGRAM FOR DISPLAY PANEL USING UNPOLISHED GLASS - An image correction data generating system for a display panel that uses unpolished glass is equipped with a signal generator, an imager, and a controller. The signal generator supplies the display panel with a signal for causing that display panel to output an image. The imager captures an output image. The imager is able to resolve an area smaller than the individual pixel sizes of a plurality of pixels. The controller is equipped with an instructing unit, an image acquirer, a high-pass filter, and a correction data generator. The instructing unit outputs instructions for supplying a signal value shared across the entire surface of the display panel to the signal generator. The image acquirer acquires output image data from the imager. The high-pass filter computes high-pass data by applying high-pass filtering to the output image data. The correction data generator outputs an image correction table corresponding to the high-pass data.

DISPLAY BRIGHTNESS CONTROL TEMPORAL RESPONSE - Methods and devices are provided for controlling the brightness of a display for an electronic device based on ambient light conditions. In one embodiment, an electronic device may employ one or more brightness adjustment profiles that define response rates for changing brightness levels based on ambient light levels. The response rates may vary depending on the magnitude and/or direction of change in the ambient light levels. In certain embodiments, the response rates may be designed to approximate the physical response of the human vision system. Further, in certain embodiments, noise reduction techniques may be employed by adjusting the response rates based on the magnitude of the change in the ambient light level and/or based on whether the display is operating at steady state or executing a brightness adjustment.

01-26-2012

20160055786

METHODS, SYSTEMS, AND MEDIA FOR DETECTING A PRESENTATION OF MEDIA CONTENT ON A DISPLAY DEVICE - Methods, systems, and media for detecting a presentation of media content on a display device are provided. In accordance with some implementations, methods for detecting a presentation of media content on a display device are provided, the methods comprising: detecting, using a light sensor, light levels in the light sensor's surroundings; generating a signal representing the light levels; detecting, using a hardware processor, at least one variation in light levels indicative of a presentation of a video scene based on the signal; detecting at least one variation in light levels indicative of a scene change subsequent to the video scene based on the signal; and determining that media content is being presented on a display device in response to detecting the variation in light levels indicative of the presentation of the video scene and the variation in light levels indicative of the scene change.

02-25-2016

20130181960

METHOD AND APPARATUS FOR CONTROLLING BRIGHTNESS OF DISPLAY IN MOBILE DEVICE - A method and an apparatus for automatically controlling the brightness of a display unit in a mobile device according to external illuminance are provided. The brightness control method includes measuring a gradient of the mobile device, measuring an external illuminance through at least one of an illuminance sensor and a camera, depending on the measured gradient of the mobile device, and regulating the brightness of the mobile device, based on the measured external illuminance.

07-18-2013

20130181961

DISPLAY DEVICE AND CONTROL METHOD THEREFOR - The present invention in its first aspect provides a display apparatus including a light emitting apparatus having a plurality of light sources, a brightness sensor that measures an emission brightness of the light emitting apparatus corresponding to each of blocks, a temperature sensor that measures a temperature of the light emitting apparatus corresponding to each of the blocks, an acquisition unit that acquires the measured value of the temperature sensor for each of the blocks, and an emission brightness control unit that performs processing of acquiring the measured value of the brightness sensor and controlling the emission brightness based on the measured value of the brightness sensor, in order from a block with a greatest difference between a temperature represented by the measured value acquired by the acquisition unit and a temperature represented by the measured value acquired in the past by the acquisition unit.

07-18-2013

20120026139

LIGHT FEEDBACK CONTROL SYSTEM FOR A DISPLAY DEVICE AND METHOD FOR FEEDBACK CONTROL - A light feedback control system can obtain a correct light feedback signal for a backlight source by using an optical sensor disposed inside a backlight unit or outside a display device after subtracting the effect of ambient light sensed by the optical sensor when a backlight element is turned off. The optical sensor senses light intensity and the ambient light source at a double frequency of the frequency at which a backlight element emits light. The light feedback control system may further control the ambient light source and the backlight element, driving them to illuminate alternately, while the optical sensor synchronizes with the backlight element and senses light signals of the backlight element. Accordingly, exact information about the light intensity or color of the backlight element can be obtained for feedback control of the display device.

02-02-2012

20130033471

DISPLAY APPARATUS - A display apparatus includes first, second, and third gate driving chips applying gate signals to gate lines. A gate driving voltage is applied to the first gate driving chip and a gate driving voltage of the same level is applied to the second and third gate driving chips. In addition, the display apparatus includes a plurality of photo-sensors and first, second, and third scan driving chips applying scan signals to scan lines connected to the photo-sensors. A scan driving voltage is applied to the first scan driving chip and a scan driving voltage of the same level is applied to the second and third scan driving chips.

02-07-2013

20150145841

APPARATUS AND METHOD FOR GENERATING CORRECTION DATA, AND IMAGE QUALITY CORRECTION SYSTEM THEREOF - A correction data generating apparatus, a method of generating correction data, and an image quality correction system are provided. The method of generating correction data includes detecting brightness of a display panel, determining an non-uniform area of the display panel for each RGB color based on the detected brightness, generating correction data regarding the non-uniform area by determining a screen split size and a correction section for correcting an image quality of the display panel based on the non-uniform area, and storing the generated correction data. In this case, the correction data is stored in a storage of a display apparatus controlling the display panel, and the display apparatus corrects an image quality of the display panel using the correction data.

05-28-2015

20120038602

ADVERTISEMENT DISPLAY SYSTEM AND METHOD - In an advertisement display method, a plurality of reference images of an object to be advertised are captured and stored in a storage system of a computing device to create an image database of the object. Real-time scene images around a billboard are captured by the image capturing unit, and analyzed to detect whether there are people nearby the billboard. When a person is detected nearby the billboard, image data of the person are extracted from one of the scene images in which the person is detected and temporarily stored in the storage system, and a position of the person is determined according to the image data. A reference image of the object is selected from the image database according to the position of the person, and is displayed on a corresponding area of the billboard towards the position of the person.

02-16-2012

20120044223

INPUT-OUTPUT DEVICE AND DRIVING METHOD OF INPUT-OUTPUT DEVICE - It is an object to increase applications. The present invention shows a driving method of an input-output device which provided with an input-output portion including a pixel portion, and a data processing portion including an image processing circuit, a memory circuit storing a plurality of programs, and a CPU. The pixel portion includes display circuits and photodetector circuits. To the display circuits, a display selection signal is input and a display data signal is input in accordance with the display selection signal. The display circuits become a display state in accordance with a datum of the display data signal which is input. The photodetector circuits generate an optical datum corresponding to an illuminance of incident light. In the method, optical data are stored in the memory circuit, the optical data are read as an image datum from the memory circuit by the image processing circuit sequentially, a label is imprinted on an optical datum with a value larger than a value of a reference datum, optical data on each of which the label of the same group is imprinted is counted, and the process performed by a CPU is changed in accordance with the result of count.

02-23-2012

20160055822

Dimming Module For Augmented And Virtual Reality - The technology provides a dimming module for a near-eye display (NED) device that controls an amount of ambient light that passes through the transmissive near-eye display to a user. The dimming module includes at least one electrochromic cell that enables variable density dimming so that the NED device may be used in an augmented reality (AR) and/or virtual reality (VR) application. The electrochromic cell may be a monochrome electrochromic cell having stacked layers of, a monochrome electrochromic compound layer and insulator sandwiched between a pair of transparent substrates and conductors. A current may be applied to the conductor layers to control the amount of dimming in response to a dimming value. A NED device having a dimming module may be included in a visor, or other type of head-mounted display (HMD). The dimming module may be flat and supported by a flat waveguide mount in the user's field of view.

02-25-2016

20130314388

IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing system includes a projection unit that projects an image onto a projection surface; a photographing unit to take a photograph of an area including the projection surface onto which a first content image is projected by the projection unit so as to obtain a first photographed image; a data volume reducing unit to reduce a data volume of the first photographed image through a predetermined processing so as to obtain a second photographed image after data volume reduction; a correction information calculating unit to calculate, based on the first content image and the second photographed image, correction information for correcting an image to be projected onto the projection surface; a correction unit to correct, based on the correction information, a second content image that is the image to be projected onto the projection surface. The projection unit projects the corrected second content image onto the projection surface.

11-28-2013

20130314387

DISPLAY DEVICE, CALIBRATION METHOD OF DISPLAY DEVICE, AND DISPLAY METHOD OF DISPLAY DEVICE - A display device includes a flexible display panel including a recognition pattern, the recognition pattern having a plurality of sub-patterns with different color concentrations and disposed in a first direction, a housing accommodating the flexible display panel, the flexible display panel being configured to extend out of the housing in the first direction to vary a display area, and a photosensor in the housing, the photosensor corresponding to the recognition pattern and being configured to recognize the recognition pattern and to sense the display area of the flexible display panel.

AMBIENT LIGHT SENSING TECHNIQUE - A method for controlling characteristics of an electronic device based on ambient light levels is provided. In one embodiment, the method includes receiving light at an ambient light sensor of a device and measuring components, such as color components, of the visible light. The component levels may be weighted differently by factors that vary based on the intensity of the light received by the ambient light sensor. Also, the brightness level of a light source in the device or color output of the device may be controlled based on the weighted component levels. Additional methods, systems, and devices relating to control of an electronic device based on sensed ambient light are also disclosed.

01-29-2015

20130328843

Systems and Methods for Reducing or Eliminating Mura Artifact Using Image Feedback - Systems, methods, and devices for calibrating an electronic display to reduce or eliminate a mura artifact are provided. The mura artifact may be due to differential behavior of common voltage layers (VCOMs) in the electronic display. One method for reducing or eliminating the mura artifact may involve setting pixels of the electronic display to a first gray level and measuring a luminance difference between light and dark areas of a mura artifact on the electronic display. A value of an operating parameter of the electronic display may be adjusted while monitoring the luminance difference measurement. A value of the operating parameter that causes the luminance difference measurement to be within a specified range of acceptable luminance difference measurement values may be stored in the electronic display.

12-12-2013

20130328842

Electronic Device With Display Brightness Control - Automatic display brightness adjustments may be made by an electronic device based on ambient light sensor data. Proximity sensor data from a light-based proximity sensor, from nearby capacitive sensor electrodes in a touch screen, or from other proximity sensing components may be used to determine whether the ambient light sensor is being shadowed by a hand or other external object. Ambient light sensor data associated with blocked sensor conditions can be suppressed. A transient event filter may be used to remove spikes from ambient light sensor data. A display brightness baseline may be adaptively adjusted. Short changes in ambient light level may result in corresponding momentary adjustments to display brightness. Longer changes in ambient light level may be associated with persistent changes in the display brightness baseline.

12-12-2013

20120081342

DRIVING CIRCUIT AND DRIVING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY - A driving circuit for a liquid crystal display comprises a light sensitive element configured to be arranged on a liquid crystal panel of the liquid crystal display, and detect an operation state of a backlight source of the liquid crystal display; and a reset signal output device configured to receive an input signal from the light sensitive element in accordance with the operation state of the backlight source, and output a reset signal to a gate line driver of the liquid crystal display so as to turn on all of gate lines on the liquid crystal panel.

04-05-2012

20120081341

REDUNDANT POWER/CONTROL SYSTEM FOR LIQUID CRYSTAL DISPLAYS - A system for powering and controlling an LED-backlit liquid crystal display (LCD) where redundancy is used to provide two independent paths from a pair of power supplies to the LED backlight. Further, two independent paths are also used from a pair of power supplies to the LCD. If any one of the paths were to fail or begin to degrade in performance, the system contains monitoring circuits which can direct another path to be used by the system. Two separate control circuits for the LCD may be used so that either one may be used to control the LCD if one were to fail. Two separate temperature sensors and luminance sensors may also be used to increase the durability of the system.

04-05-2012

20120086684

Liquid Crystal Display Device And Light Source Control Method - Disclosed is a liquid crystal display device including: a VA-IPS mode liquid crystal display panel; a backlight unit incorporating a PWM dimming type light source; and a control unit that controls the liquid crystal display panel and the backlight unit, in which the control unit obtains response speed data of orientation change of liquid crystal molecules, and changes a duty factor of a PWM dimming signal according to the response speed data. In a case where the response speed of the liquid crystal molecules is relatively high, LEDs are driven with a relatively small duty factor. In a case where the response speed of the liquid crystal molecules is relatively low, the LEDs are driven with a relatively large duty factor, and black insertion is not performed. The liquid crystal display device prevents an image quality malfunction (multiple outlines).

04-12-2012

20140232708

ELECTRO-OPTIC DEVICE AND ELECTRONIC DEVICE - An electro-optic device including a pixel circuit that includes an electro-optic element and a driving transistor; a first data generation unit that, during a first period when image display operation is not performed, detects a temperature and generates first data which allows control of brightness of an image in accordance with the detected temperature; and a luminance control unit that, during a second period when image display operation is performed, performs control of luminance of the electro-optic element on the basis of the first data which is generated during the first period.

08-21-2014

20140232709

SYSTEM AND METHOD FOR ENVIRONMENTAL ADAPTATION OF DISPLAY CHARACTERISTICS - A system and method for altering the characteristics of a display based on environmental data is disclosed. Exemplary embodiments provide a light sensor, an environmental processing unit which is adapted to receive electrical signals from the light sensor and generate an environmentally-reactive control signal (S

08-21-2014

20140232707

DEVICE FOR GENERATING A DISPLAY IMAGE ON A COMPOSITE GLASS PANE - A device for generating a display image on a composite glass pane is described. The device has: a composite glass pane with a first pane and a second pane, which are connected to each other via an intermediate layer that contains at least one luminescent pigment; a laser projector, which contains at least one laser and an optical system for deflecting a radiation of the laser, the radiation being directed within a region of the composite glass pane; a photodetector, which detects luminescent radiation of the luminescent pigment; and a control unit, which electronically connects the photodetector and the laser projector.

08-21-2014

20120105401

ELECTRONIC DEVICE - An electronic device including a display unit and a photoelectric conversion board is provided. The display unit includes a display surface and a back surface which are opposite to each other, and an edge of the photoelectric conversion board is rotatably connected to the back surface of the display unit. The photoelectric conversion board includes a substrate, a first photoelectric conversion unit, and a second photoelectric conversion unit. The substrate has a first surface and a second surface which are opposite to each other, the first photoelectric conversion unit is disposed on the first surface, the second photoelectric conversion unit is disposed on the second surface, and an absorption band of the first photoelectric conversion unit is different from an absorption band of the second photoelectric conversion unit.

05-03-2012

20130169606

LIGHT DIRECTION DISTRIBUTION SENSOR - This disclosure provides systems, methods and apparatus for measuring the direction distribution of light. In some implementations, an ambient light direction distribution sensor device can include, for example, a light steering layer that is designed to steer light from different incident angles toward associated locations on a light detector. The light detector can then output one or more signals that are indicative of the amount of light that is incident upon the sensor device from different incident angles. These measurements can be used to control various parameters of a display in response to the detected ambient lighting conditions.

07-04-2013

20130169607

PROJECTION DISPLAY DEVICE, PROJECTION DISPLAY METHOD, AND COMPUTER PROGRAM - A projection display device according to the invention includes a separating unit that assigns X separation information for identifying a type of an image to each pixel by using a characteristic amount of the input image, a luminance detecting unit that detects a luminance of a screen, a first determining unit that determines a first target region indicating a region on which halftone processing of converting the number of gradations is performed on the input image by using the X separation information, and a halftone processing unit that executes the halftone processing that varies depending on the luminance on the first target region.

07-04-2013

20120162167

METHOD FOR DRIVING SEMICONDUCTOR DEVICE - To shorten a period necessary for a plurality of photosensors arranged in a display and data input region to receive light. In a first period, a reset operation is concurrently performed and then a storage operation is concurrently performed in a plurality of first photosensors while a plurality of first light-emitting elements emit light concurrently and a plurality of second light-emitting elements do not emit light. In a second period, the reset operation is concurrently performed and then the storage operation is concurrently performed in a plurality of second photosensors while the plurality of second light-emitting elements emit light concurrently and the plurality of first light-emitting elements do not emit light. In a third period, a selection operation is sequentially performed in the plurality of first photosensors and the selection operation is sequentially performed in the plurality of second photosensors.

06-28-2012

20120169685

ELECTRICAL DEVICE WITH LIGHT CONDUIT SYSTEM - An electrical device includes a screen with an aperture formed therein. The device includes a light source, a light sensor and a light conduit. The light conduit is operatively positioned between the aperture on one side and the light source and light sensor on the other. When the light source is activated, some of the light energy emitted therefrom is received in the light conduit. This light energy can travel through the light conduit to the aperture, through which the light energy can exit the device, thereby providing notice to a user of some condition. Light energy received in the aperture from outside the device can enter the light conduit and pass therethrough to the light sensor. The brightness of the screen can be adjusted based on the amount of light energy received by the light sensor.

07-05-2012

20120092315

METHOD AND DEVICE FOR DETERMINING A CONTROL SIGNAL - In a method for determining a control signal as a function of measured ambient light conditions for subsequent processing by at least one electrical component, in particular in order to control an imaging unit of an image output apparatus, the present light conditions are detected by means of a plurality of light sensors, measuring signals are output as a function of the intensity of the light conditions recorded by the light sensors, and the measuring signals of the individual light sensors are then combined into at least one control signal in accordance with at least one predefined ratio. The control signal is adjusted with consideration of the orientation of at least one of the light sensors and is then output.

04-19-2012

20120154355

IMAGE DISPLAY APPARATUS - An image display apparatus is provided that avoids discontinuity in a high luminance and gradation range and is capable of displaying gradations where differences in sense of luminance change at equal intervals from an intermediate gradation range to the maximum value of the gradations. A gradation/light emission luminance converter

06-21-2012

20120154354

PHOTOSENSOR AND DISPLAY DEVICE - By reducing the potential drop of a storage node that occurs due to feedthrough, the capacitance of a storage capacitor is reduced and sensor sensitivity is improved. In a photosensor, the first terminal of a storage capacitor (C

06-21-2012

20120154353

MATRIX SUBSTRATE, DETECTION DEVICE, DETECTION SYSTEM, AND METHOD FOR DRIVING DETECTION DEVICE - A matrix substrate which realizes high operation speed and high reliability and which is capable of obtaining a high-quality image while the number of connection terminals is limited is provided. The matrix substrate includes pixels arranged in a matrix, N driving lines arranged in a row direction, P connection terminals where P is less than N, a demultiplexer which is disposed between the connection terminals and the driving lines and which includes first polycrystalline semiconductor TFTs and first connection terminals. The demultiplexer further includes second polycrystalline semiconductor TFTs and the second control lines used to maintain the driving lines to have non-selection voltages which bring the pixels to non-selection states between one of the connection terminals and two or more of the driving lines.

06-21-2012

20120154351

METHODS AND APPARATUS TO DETECT AN OPERATING STATE OF A DISPLAY BASED ON VISIBLE LIGHT - Methods and apparatus to infer operating states of a display based on visible light are disclosed. An example device includes an optical receiver to be positioned with respect to a display to receive visible light from the display. The example device includes a sensor to measure a color and an intensity of the visible light received. The example device includes an operating state detector to analyze the measured intensity and color of the visible light detected by the sensor to generate an output indicative of an operating state of the display.

06-21-2012

20110090194

PIXEL ARRAY AND DISPLAY PANEL HAVING THE SAME - A pixel array including a plurality of pixel structures is provided. At least one of the pixel structures has a scan line, a data line, an active device, a pixel electrode, a readout line, an electro-magnetic interference (EMI) shielding layer and a sensing device. The scan line and the data line are disposed on a substrate. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The readout line is disposed above or below a data line. The EMI shielding layer covers the data line, and is between the readout line and the data line. The sensing device is electrically connected to the scan line and the readout line.

04-21-2011

20140043310

OPTICAL DETECTION SYSTEM - The invention relates to an optical detection system for detecting the optical distribution of a display device having a light source and a predetermined display range divided into multiple virtual detection regions. The system includes a power module for supplying power to the light source, a monochromatic module for detecting luminous intensity of the light source at various wavelengths within a selected virtual detection region, multiple optical sensor modules, each corresponding to one of the virtual detection regions, a memory module saving wavelength correction parameters of the optical sensor modules, and a processor module receiving the wavelength distribution within the selected virtual detection region of the display device, and for calculating and compensating for expected detection values of the respective optical sensor modules based on the wavelength correction parameters and actual detection values of the optical sensor modules.

DISPLAY DEVICE - Provided is a display device. The display device includes a display module on which a lighting source for supplying light is disposed on a back surface thereof, an optical sensor detecting luminance of the light supplied from the lighting source, and a light transmission member disposed between the lighting source and the optical sensor, the light transmission member providing a transmission path of the light generated in the lighting source to transmit the light into the optical sensor.

05-17-2012

20120176357

DISPLAY DEVICE - A plurality of first and second sensor pixel circuits each sensing light during a designated sensing period and retaining the amount of sensed light otherwise are arranged in a pixel region. A backlight is turned on once for a predetermined time in one-frame period. A sensing period when the backlight is turned on and a sensing period when the backlight is turned off are set once, respectively, in the one-frame period. The first sensor pixel circuit is reset. The second sensor pixel circuit is reset. Read from sensor pixel circuits of two types is performed in parallel in a line sequential manner during a period other than the periods and. A difference circuit provided outside of the sensor pixel circuits is used for obtaining a difference between an amount of light when the backlight is turned on and an amount of light when the backlight is turned off.

07-12-2012

20110310071

ENERGY EFFICIENT DISPLAY SYSTEM - A display for that includes an ambient light sensor suitable to receive ambient light such that the display modifies its power usage based upon the amount of light sensed by the ambient light sensor. An energy interface receives an energy signal from a location remote to the display indicative of energy usage. The energy interface, in response to the energy signal, modifies the amount of light received by the ambient light sensor.

12-22-2011

20140104253

COLOR CONTROL METHOD AND COMMUNICATION APPARATUS - The embodiments of the present invention provide a color control method and communication apparatus, the color control method includes: acquiring color temperature information of ambient light; calculating a suitable color parameter based on the color temperature information; adjusting display of the communication apparatus according to the suitable color parameter. Through the embodiments of the present invention, the quality of display image can be improved to a higher degree. Furthermore, the communication apparatus can change WB of display dynamically and can provide a way to optimize color to ambient light condition automatically.

04-17-2014

20130176293

LUMINESCENCE SHOCK AVOIDANCE IN DISPLAY DEVICES - A luminescence shock avoidance algorithm selectively limits the brightness level of a display device when the display device is activated in a dark environment to prevent the temporary vision impairment that can occur when a display device is activated in a dark environment. The algorithm receives the state of the display (e.g. on or in standby mode), and can optionally receive an ambient lighting value from an ambient light sensor and a user-selectable manual brightness adjustment setting to determine whether luminescence shock avoidance should even be triggered, and if it is triggered, how much should the brightness level of the display be limited.

07-11-2013

20130176292

ULTRA-BRIGHT BACK-LIGHT LCD VIDEO DISPLAY - An ultra-bright back-light LCD video display comprises a housing containing a light source such as one or more LEDs. A collimating lens receives substantially all of the light generated by said light source, and directs such light through a polarizer. The polarizer output is sent to an LCD panel having an array of pixels dynamically controlled to permit light to pass through predetermined pixels. The LCD panel output passes through a diffuser forming a video image screen.

07-11-2013

20130176291

METHODS AND DEVICES FOR CONTROLLING DISPLAY IN RESPONSE TO DEVICE ORIENTATION AND AMBIENT LIGHT LEVELS - Devices and methods are provided for controlling a display of a portable display device based on input form a plurality of ambient light photosensors positioned proximal to edges of the display. The display device includes one or more orientation sensors configured such that processing circuitry of the display device may determine, based on input from the orientation sensors, an operative orientation of the device relative to gravity, and subsequently identify an uppermost display edge. Signals from the ambient light photosensors proximal to the uppermost display edge are employed to control the display.

07-11-2013

20140160101

DISPLAY WALL ADJUSTING APPARATUS AND METHOD FOR ADJUSTING DISPLAY PARAMETERS OF DISPLAY SCREENS OF DISPLAY WALL - A display wall adjusting apparatus and a method for adjusting display parameters of display screens of a display wall. The display wall adjusting apparatus includes an image sensing unit and a control unit. The image sensing unit captures image(s) of the display screens. The control unit analyzes the image(s) to obtain an actual display parameter of each of the display screens, and produces control information according to the actual display parameters of the display screens. The display wall adjusting device transmits the control information to the display wall, such that the display parameters of the display wall can be adjusted according to the control information, and the display parameters of the individual display screens are synchronized.

06-12-2014

20140118319

FLEXIBLE DISPLAY DEVICE AND METHOD OF COMPENSATING FOR LUMINANCE OF THE FLEXIBLE DISPLAY DEVICE - A flexible display device and a method of compensating for luminance of the flexible display device, the flexible display device including: a flexible display panel including a first display region and second display regions at opposite sides of the first display region and having a shape of a curved surface that is bent from a central axis of the flexible display panel at a angle; optical sensors disposed in each of the first display region and the second display regions and measuring amounts of light in the first display region and the second display regions; and a luminance compensation unit compensating luminance of the first display region and luminance of the second display regions based on the measured amounts of light.

05-01-2014

20110292009

ELECTRONIC DEVICE AND METHOD FOR AUTOMATICALLY ADJUSTING OPENING ANGLE THEREOF - An electronic device includes a base, a display pivotably connecting to the base, a detecting unit, a processing unit, and a driving unit. The detecting unit is for detecting a positional relationship between the display and a user in front of the display. The processing unit is for generating an adjusting signal according to the positional relationship. The driving unit is for adjusting an opening angle defined between the display and the base according to the adjusting signal.

PORTABLE TERMINAL, DISPLAY CONTROL PROGRAM, AND DISPLAY CONTROL METHOD - A mobile terminal controls a display unit to display a first image in a first display area at a first luminance and to display a second image in a second display area at the first luminance, under a first condition in which brightness measured by a optical sensor is lower than a first threshold, and controls the display unit to display a third image in the first display area at a second luminance that is higher than the first luminance and to set a luminance in the second display area to a third luminance that is lower than the first luminance, under a second condition in which the measured brightness is equal to or higher than the first threshold, a content of the third image being determined so as to include a content of the first image and a content of the second image.

12-22-2011

20140340375

BACKLIGHT ADJUSTMENT SYSTEM - A preferred embodiment relates to controlling the amount of backlight power in an electronic display to account for the temperature in the backlight cavity. Another embodiment relates to a system for controlling the amount of backlight based on both the temperature of the backlight and the amount of ambient light.

11-20-2014

20130271438

INTEGRATED AMBIENT LIGHT SENSOR - For a personal electronic device (PED) having a display, the display including a cover glass having a front surface and a back surface, the PED includes a driver circuit configured to send at least one signal to the display and an ambient light sensor (ALS). Each of the driver circuit and the ALS is disposed behind the back surface of the cover glass. The ALS and the driver circuit may reside on a single substrate, which is disposed adjacent to the back surface of the cover glass. The ALS may output signals to the driver circuit that are indicative of ambient light level and one or both of ambient light spectrum and ambient light direction. The driver circuit may be configured to automatically adjust, in response to the signals, one or both of a display color bias and a display luminescence.

10-17-2013

20130271437

COLOR PERFORMANCE OF REFLECTIVE-DISPLAYS USING ENVIRONMENTAL SPECTRAL SENSING - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, related to an electronic device having a display, a spectrum sensing arrangement, and a display controller. The spectrum sensing arrangement includes a photodiode, a first portion of the photodiode being configured to generate a first signal, the first signal being responsive to an intensity of ambient visible light, and a second portion of the photodiode being configured to generate a second signal, the second signal being representative of an intensity of ambient infrared light. The display controller, in communication with the spectrum sensing arrangement, makes a comparison of the first signal and the second signal and controls the display so as to dynamically adjust a color bias of the display responsive to the comparison.

10-17-2013

20150097818

ASSEMBLY AND METHOD TO ALIGN DISPLAYED IMAGES TO AN OVERLAYING APPLIQUE - An instrumentation assembly suitable for use as a vehicle instrument cluster, and a method to align an image displayed by a reconfigurable display of the assembly to an applique that overlays the display. The applique defines a reference hole located so light from the display to passes through the reference hole. A light sensor detects light from the display that passes through the reference hole. A relative alignment between the display and the applique is determined based on the signal. The relative alignment is used to shift or reposition images on the display so they align with features on the applique. The assembly and method also provide a way to adjust for image flicker of the display.

04-09-2015

20150097820

DISPLAY DEVICE AND OPTICAL DETECTION METHOD THEREOF - A display device includes a panel assembly including: a display area including a plurality of pixels, and a non-display area at a periphery of the display area; an optical measuring component at the non-display area of the panel assembly and configured to measure light generated from the pixels; and a controller configured to control the panel assembly to sequentially display an emission pattern in which the pixels emit light and a non-emission pattern in which the pixels do not emit light, wherein the controller is configured to calculate a pure emission value by comparing an emission measurement value obtained by measuring the emission pattern through the optical measuring component with a non-emission measurement value obtained by measuring the non-emission pattern through the optical measuring component.

04-09-2015

20150097819

ELECTRONIC DISPLAY DEVICE AND BACKLIGHT ADJUSTMENT METHOD THEREOF - The present disclosure provides an electronic display device including a backlight module, a light sensor, a storage device, an embedded controller, and a processing unit. The light sensor detects ambient light surrounding the electronic display device. The embedded controller controls intensity of the backlight module according to the ambient light and a brightness table of the storage device. The processing unit performs a basic input/output system to draw a brightness curve diagram according to the brightness table for users to adjust the curve of the brightness curve diagram during a boot process of the electronic display device and update the brightness table in the storage device according to the adjusted brightness curve diagram in response to a storing signal.

04-09-2015

20110063268

Display calibration systems and related methods - Display calibration systems and related methods are disclosed that use photo-sensitivity of LEDs to correct for variations between LEDs during initial production and over lifetime for display systems. The display devices include arrays of LEDs and use photo-sensitivity of the LEDs to correct for variations between LEDs. Such LED arrays can produce images directly as in LED billboards and sports arena scoreboards, and smaller Organic LED (OLED) displays, or can produce the backlight for LCD screens for instance. Variations in LED brightness and color can be compensated for in order for such a display to have uniform color and brightness. This compensation is performed in the embodiments disclosed by measuring the signal induced on each LED by uniform incident light as a measurement of the photo-sensitivity of the LEDs.

03-17-2011

20110304600

OPTICAL POSITION DETECTING DEVICE AND DISPLAY DEVICE WITH POSITION DETECTING FUNCTION - An optical position detecting device includes: a plurality of detection light source sections which emits a detection light; a light source driving section which turns on a part of the plurality of detection light source sections in a first period, and turns on the other part thereof in a second period; a first light detecting section which detects the detection light reflected by a object; a second light detecting section which has a sensitivity peak in a wavelength band which is different from that of the first light detecting section and detects the detection light reflected by the object; and a position detecting section which detects the position of the object on the basis of the intensity of the detection light in the first light detecting section and the intensity of the detection light in the second light detecting section in the first and second periods.

12-15-2011

20110304598

Active Photosensing Pixel - An active photosensing pixel is disclosed, in which a two-terminal photosensing transistor has a first terminal coupled to a first node, a second terminal coupled to a selection line and a control terminal connected to the first terminal. A driving transistor has a first terminal coupled to a first reference voltage, a second terminal coupled to an output line and a control terminal connected to the first node.

12-15-2011

20110304597

Low power backlight for display - There are provided systems, devices and methods for controlling backlighting in an electronic device. In one embodiment, an electronic device an electronic device having a processor and a display assembly coupled to the processor. The display assembly being configured to provide visual output. The display assembly includes a backlight layer having one or more light sources. At least one of the one or more light sources is coupled to ground via a switch. The switch is configured to selectively operate the one or more light sources to adjust a brightness of the visual output.

12-15-2011

20110316830

PHOTO DETECTOR AND METHOD FOR FABRICATING THE SAME - A photo detector is disclosed. The photo detector includes a substrate, a first patterned semiconductor layer, a dielectric layer, a patterned conductive layer, an inter-layer dielectric, a second patterned semiconductor layer, two first electrodes disposed on the inter-layer dielectric and two second electrodes disposed on portions of the second semiconductor layer. The first patterned semiconductor layer having a first doping region and a second doping region is disposed on a transistor region. The dielectric layer is disposed to cover the substrate and the first semiconductor layer, the patterned conductive layer is disposed on the dielectric layer, and the inter-layer dielectric having at least two openings adapted to expose the first doping region and the second doping region is disposed to cover the dielectric layer. The second patterned semiconductor layer is disposed on a photosensitive region and the first electrodes are electrically connected to the first patterned semiconductor layer.

12-29-2011

20110316829

LIQUID CRYSTAL DISPLAY DEVICE - A backlight of a liquid crystal display device is divided into a plurality of regions. A backlight area dimmer sets a dimming value for each of the regions of the backlight according to a characteristic amount of the input image. A backlight dimming limiter sets an upper limit and lower limit of the dimming value set by the backlight area dimmer. In this case, the backlight dimming limiter may set the upper and lower limits of the dimming value according to a combination of at least two pieces of information among illuminance information on the external light, category information on the input image and image mode information set by the user.

12-29-2011

20110316828

METHOD AND APPARATUS FOR REDUCING GLARE AND/OR INCREASING PRIVACY OF A SELF-SERVICE DEVICE - A method for minimizing glare and/or increasing privacy for a user of a self-service device is provided. The method may include mechanical means such as a fixed visor and/or hood or a user operated hinged glare reducing overlay screen. The method may further include as using sensors that detect the user's eyes and other sensors to detect a source of light that produces glare. Information from these sensors may be sent to a computer controlled system that operates system of actuators. The actuators are operated by the computer in response to sensor inputs to adjust the screen angle relative the user to minimize glare for that user and/or increase privacy from surreptitiously observing eyes or cameras.

12-29-2011

20120182275

BACKGROUND BRIGHTNESS COMPENSATING METHOD AND SYSTEM FOR DISPLAY APPARATUS - A system and a method of compensating background brightness for a display apparatus are disclosed. The display apparatus has a screen for displaying images, and said method comprises steps of: (a) detecting an intensity of ambient light in the front of the screen; (b) obtaining a representative brightness of an image displayed on the screen; (c) determining a backside spotting reference reflective luminance value according to the ambient light intensity and the image representative brightness; and (d) spotting in the rear of the screen by using a lighting module and thus making a spotting intensity to achieve the reference reflective luminance value. The said method and system can reduce eye fatigue and discomfort of viewers.

07-19-2012

20150103059

METHOD AND APPARATUS OF CONTROLLING BRIGHTNESS OF DISPLAY - A method and apparatus for controlling a display is provided. The method includes detecting whether a change amount in brightness of an ambient environment of an apparatus, for a predetermined period of time, is greater than or equal to a reference value, determining brightness of the display, based on a result of the detecting, and when an operation signal of the display is detected, turning on the display according to the brightness determined at a time when the operation signal is detected.

04-16-2015

20130207951

APPARENT DISPLAY RESOLUTION ENHANCEMENT FOR MOVING IMAGES - A method for displaying a digital image on a display, the digital image having a higher resolution than the display, the method includes: generating a sequence of digital subimages having display resolution, based on the digital image; and displaying the digital subimages in sequence; characterized in that the sequence of digital subimages are generated based on a model of the retina.

08-15-2013

20130207949

DISPLAY DEVICE AND METHOD FOR ADJUSTING BRIGHTNESS OF THE DISPLAY DEVICE - A method for adjusting brightness of a display device acquires optical signals from a plurality of light sensors positioned on the display device. The optical signals are converted into digital signals. An ambient brightness value is determined according to the digital signals. If the ambient brightness value is not less than a predetermined value, a calibration brightness value of the display device is calculated according to the ambient brightness value. If the calibration brightness value is equal to zero and the display device has received video signals during a predetermined time interval, a current brightness value of the display device is maintained. If the calibration brightness value is not equal to zero and the display device has received the video signals during the predetermined time interval, the current brightness value of the display device is adjusted according to the calibration brightness value.

08-15-2013

20130207947

VISUAL DISPLAYS FOR AN AIRCRAFT FLIGHT DECK - A cockpit for an aircraft includes a windscreen through which light may pass, at least one seat spaced from and facing the windscreen, a flight deck having at least a portion disposed below the windscreen and having at least one head down display having an adjustable brightness that may be set by a brightness signal, a camera having a field of view including at least a portion of the at least one seat and outputting an image signal indicative of luminance information within the field of view, and a processor operably coupled to the camera and the head down display and configured to receive the image signal, determine a luminance of at least a portion of the field of view, determine a brightness for the head down display based on the determined luminance, and outputting to the head down display a brightness signal corresponding to the determined brightness.

08-15-2013

20120223925

PHOTODETECTION CIRCUIT, PHOTODETECTION METHOD, DISPLAY PANEL, AND DISPLAY - There is provided a photodetection circuit and a photodetection method capable of obtaining high detection accuracy while reducing burn-in, and a display panel and a display including the above-described photodetection circuit. A photodetection circuit detecting incident light includes: a transistor provided between a fixed power supply line and a photodetection line; a photodiode provided between a gate of the transistor and a control line, and having a cathode directed toward the control line; a first capacitor connected, between the gate of the transistor and the control line, in parallel with the photodiode; and a second capacitor provided between the gate of the transistor and the fixed power supply line.

09-06-2012

20120218239

BACKLIGHT CONTROL OF ELECTRONIC DEVICE - Embodiments are provided herein which may be utilized to eliminate stray light emissions from an LED while ambient light is being sensed. As such, dynamic backlight control systems for use with an electronic display are presented including: an ambient light sensor for sensing ambient light intensity; a backlight for illuminating the electronic display; a switch for controlling the backlight, the switch configured to set a backlight condition to ON or OFF in response to a backlight-off frequency such that the ambient light sensor senses the ambient light intensity in the absence of the backlight; a logic module for determining a backlight level in response to the ambient light intensity; and a backlight control circuit for adjusting the backlight to the backlight level in response to the ambient light intensity.

08-30-2012

20120218238

DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a current source, a first transistor, a second transistor, and a light-emitting element. One electrode of the light-emitting element is electrically connected to the current source through a source and a drain of the first transistor. The same electrode of the light-emitting element is also electrically connected to a wiring through a source and a drain of the second transistor.

08-30-2012

20120306832

DISPLAY SYSTEM AND ELECTRICAL APPLIANCE - A display system in which the luminance of light-emitting elements in a light-emitting device is adjusted based on information on an environment. A sensor obtains information on an environment as an electrical signal. A CPU converts, based on comparison data set in advance, the information signal into a correction signal for correcting the luminance of EL elements. Upon receiving this correction signal, a voltage changer applies a predetermined corrected potential to the EL elements. Thus, this display system enables control of the luminance of the EL elements.

12-06-2012

20110141078

AMBIENT LIGHT DETECTION - Ambient light is detected by a photodiode circuit by measuring the time taken for a digital output of the photodiode circuit to change state in response to exposure of a photodiode of the photodiode circuit to that ambient light. A nominal time for state change is calculated based on photodiode circuit characteristics. Furthermore, an effective time for the photodiode circuit digital output to change state is determined in a calibration mode where the photodiode has been disconnected and a reference current is applied to the circuit. An illumination value of the detected ambient light is then calculated as a function of: the measured time, the effective time and the nominal time.

06-16-2011

20110279426

DISPLAY DEVICE AND METHOD FOR DRIVING SAME - Provided is a display device for carrying out seamless display so that a sense of strangeness is not given to a viewer or the sense of strangeness is reduced. In at least one embodiment, a display device includes a display panel on which a plurality of display elements are disposed in a matrix, the display panel having a frame area which is located at an end of the display panel and in which no display element is provided; a light guide element provided on the display panel, the light guide element changing a light path of part of light emitted from the plurality of display elements so that the part of light is guided to the frame area; a photosensor provided on the display panel, the photosensor detecting environment illuminance; an image signal correcting section which (i) corrects, in accordance with the environment illuminance detected by the photosensor, an image signal to be supplied to a display element included in an area where the light guide element is provided so that a reduction in luminance or coloring of display light of the image caused by the light guide element is reduced, and (ii) outputs a corrected image signal; and a driving section which drives the display element in accordance with the corrected image signal.

11-17-2011

20110169795

IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - It is expected to provide an image display apparatus and image display method that can reduce the risk that an image quality is undermined due to a halo phenomenon caused by the leak of light passing through a non-corresponding color filter from a LED. The image display apparatus can respectively control luminous efficiencies of plural color LEDs, i.e., R-LED (

07-14-2011

20100283770

IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - According to one embodiment, an image display apparatus comprises a detector configured to detect an illuminance of surroundings, an upper and lower limit calculator configured to calculate an upper limit and a lower limit of luminance based on the detection result of the illuminance, a luminance calculator configured to calculate the luminance of each of light sources to display an image based on an input image signal in the range of the upper limit to the lower limit, a correction module configured to correct the input image signal based on the calculated luminance, a light emitter configured to emit light based on the calculated luminance, the light emitter includes the light sources, and a light modulator configured to display an image by modulating light from each of the light sources based on the corrected input image signal.

11-11-2010

20120194493

Apparatus and Method for Using an LED for Backlighting and Ambient Light Sensing - Embodiments of a backlight module for illuminating a liquid crystal display (LCD) and sensing ambient light are provided herein. The backlight module includes a light-emitting diode (LED) array and a backlight controller. The backlight controller is configured to forward bias the LED array to backlight the LCD and reverse bias the LED array to sense the ambient light level. The backlight controller is configured to adjust the brightness of the LED array based on the current ambient lighting conditions sensed.

08-02-2012

20110285682

MICRO PROJECTOR DRIVING DEVICE AND DRIVING METHOD - A micro projector driving device and a driving method are provided, where pixels of the first and last images at a specified location are compared, and the light intensity of the light sources is then adjusted according to the compared results so as to avoid the continual display of images with different contrast requirements at the highest light intensity, thus saving power under a guaranteed visual effect, and prolonging the battery life of a portable micro projector. A higher power drive light source should be used for a static image rather than for a video image. Images are divided into sections, and then the pixels from each section are selected at random for comparison, therefore greatly reducing the amount of computing but still having a rather high accuracy.

PROJECTION TYPE IMAGE DISPLAY DEVICE - A projecting unit which projects image light based on an inputted image signal to a projection surface. An invisible light emitter is provided such that an irradiation area of invisible light includes a predetermined region. An image pickup unit receives at least one of a plurality of color lights constituting the image light as well as the invisible light, and which picks up an image of the projection surface to generate a pickup image. An object detector detects at least one of a position and a behavior of an object that has come into the predetermined region based on the pickup image. A display controller changes the projected image based on at least one of the position and the behavior of the object detected by the object detector.

12-13-2012

20150302804

AMBIENT BLACK LEVEL - Techniques for operating a display system in a wide range of ambient light conditions are provided. An intensity of ambient light on a display panel may be detected. The display panel may be illuminated by light sources in addition to the ambient light. An individual light source may be individually settable to an individual light output level. If it is determined that the luminance level of the ambient light is above a minimum ambient luminance threshold, an ambient black level may be calculated using the intensity of ambient light. Light output levels of one or more of the light sources may be elevated to first light output levels. Here, the one or more light sources may be designated to illuminate one or more dark portions of an image. The first light output levels may create a new black level equaling the determined ambient black level.

ELECTRONIC DEVICE AND METHOD OF ADJUSTING VIEWING ANGLES OF LIQUID CRYSTAL DISPLAYS - In an electronic device and a method of adjusting a viewing angle of a liquid crystal display (LCD), a face recognition reference is established. The face recognition reference is compared with faces in an image which is captured by a camera unit to locate a matched face. An adjusted viewing angle of the LCD is computed according to a default viewing angle of the LCD and an angle between a perpendicular of the LCD and a line formed by connecting a center of the LCD and a center of two eyes in the matched face. A voltage value is computed according to the adjusted viewing angle, and a voltage is applied to the liquid crystal molecules of the LCD according to the voltage value to change the default viewing angle of the LCD to the adjusted viewing angle.

10-27-2011

20130135268

METHOD OF OPERATING A DISPLAY WITH GAPS, A BACKLIGHT AND A CAMERA - A method of operating a display with gaps in between the pixels, a primarily transparent backlight and a camera is disclosed. In an embodiment, the method comprises capturing an image in the camera through the primarily transparent backlight and gaps in between the pixels of the transmissive display during a capture period, not capturing an image in the camera during the display period and making the gaps in between the pixels of the transmissive display opaque during the display period.

05-30-2013

20120256892

MULTI-MODE DISPLAY DEVICE AND POWER-SAVING METHOD OF THE SAME - A power-saving method adapted in a multi-mode display device is provided. The power-saving method comprises the steps as follows. A brightness of an ambient light is detected. When the brightness of the ambient light lies within a transmissive range, the multi-mode display device is operated in a transmissive mode and enables the backlight module of the multi-mode display. When the brightness of the ambient light lies within a transflective range, the multi-mode display device is operated in a transflective mode and the brightness of the backlight module is dynamically adjusted according to a compensation method. When the brightness of the ambient light lies within a reflective range, the multi-mode display device is operated in a reflective mode and turns off the backlight module.

10-11-2012

20150312536

POWER CALIBRATION OF MULTIPLE LIGHT SOURCES IN A DISPLAY SCREEN - A display device with multiple light sources includes a first detector for detecting a brightness of one or more different portions of the image formed on the display device, a second detector that measures output intensities of the light sources, and a controller that records correlation values that correlate input power settings of the light sources with the detected brightness and the measured output intensities. During operation of the display device, the controller applies the correlation values to determine the proper input power settings of the light sources so that brightness uniformity among the multiple light sources can be achieved.

10-29-2015

20120188212

DISPLAY APPARATUS - Provided is a display apparatus wherein a sustain capacitance wire is shared between two rows of pixels to prevent the reduction in aperture ratio and the reduction in yield, and further the capacitive coupling drive can be performed. The display apparatus comprises: pixels arranged in a matrix of n rows and m columns (where n and m represent integers equal to or greater than two); m source lines and n gate lines provided in a grid pattern; and a sustain capacitance unit formed in a boundary area between odd-numbered and even-numbered rows of pixels. The sustain capacitance unit comprises: a sustain capacitance wire shared between the odd-numbered and even-numbered rows of pixels; an insulating film; an opposite electrode used for the odd-numbered row of pixels; and an opposite electrode used for the even-numbered row of pixels. The odd-numbered row of pixels each have a pixel electrode electrically connected to the opposite electrode used for the odd-numbered row of pixels, and the even-numbered row of pixels each have a pixel electrode electrically connected to the opposite electrode used for the even-numbered row of pixels. The polarity of the potential of the pixel electrode is reversed for every two rows of pixels sharing the sustain capacitance wire, while the potential of the sustain capacitance wire is varied to vary the potentials of the pixel electrodes of the two rows of pixels, thereby performing the capacitive coupling drive.

07-26-2012

20120229435

DISPLAY DEVICE AND ELECTRONIC DEVICE - A display device includes a display module including a display screen and displaying an image on the display screen; a chassis containing the display module, exposing the display screen, and holding the display screen so as to stand the display screen; a light receiving window disposed on a first part on the chassis, the first part being adjacent to a second part where the display screen is exposed, shifted toward a back side from a surface of the chassis on a periphery of the second part, and receiving incident light from outside of the chassis into the chassis; and an illumination sensor contained in the chassis, detecting illuminance of incident light through the light receiving window, and having an illuminance detection range having a center line extending in a direction inclined downward from a direction of a normal line of the display screen.

09-13-2012

20150145839

Ruggedized wearable display - A wearable, ruggedized device incorporating an OLED display is provided. The device is capable of operating in multiple modes, such as a lower-brightness and/or higher-contrast mode. The use of multiple modes allows for reduced power requirements, while providing responsiveness and continuous availability of the device to a user.

05-28-2015

20150145840

PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - A pixel circuit and a display device having the pixel circuit are disclosed. One inventive aspect includes a switching thin-film TFT and a light sensing TFT. The switching thin-film TFT includes a first source electrode electrically connected to a data line. A first gate electrode of the switching thin-film TFT and a second source electrode of the light sensing TFT are electrically connected to a first gate line. A first drain electrode of the switching thin-film TFT and a second drain electrode of the light sensing TFT are electrically connected to a pixel electrode.

05-28-2015

20120320013

SHARING OF EVENT MEDIA STREAMS - Embodiments are disclosed that relate to sharing media streams capturing different perspectives of an event. For example, one embodiment provides, on a computing device, a method including storing an event definition for an event, receiving from each capture device of a plurality of capture devices a request to share a media stream provided by the capture device, receiving a media stream from each capture device of the plurality of capture devices, and associating a subset of media streams from the plurality of capture devices with the event based upon the event definition. The method further includes receiving a request for transmission of a selected media stream associated with the event, and sending the selected media stream associated with the event to the requesting capture device.

12-20-2012

20150378487

EMBEDDED LIGHT-SENSING COMPONENT - In embodiments of an embedded light sensing component, a lens assembly includes a display component to display a user interface, such as when implemented in a wearable device. The lens assembly has a lens structure that covers the display component. The lens assembly also includes a light sensor that is implemented to sense ambient light in an environment proximate the lens structure, where the light sensor is embedded between the display component and the lens structure of the lens assembly.

12-31-2015

20120327052

LED ARRAY WITH PHOTODETECTOR - Embodiments of the present invention provide for an array, and corresponding method of forming an array, that includes a plurality of light emitting devices. The light emitting devices are disposed over a substrate, and a photodetector detects light emitted through the substrate from the light emitting devices. Further, a substantially constant brightness may be maintained in a plurality of light emitting devices disposed over the upper surface of a substrate in an array. Light emitted through the substrate from each of the light emitting devices is measured, and the voltage level applied to each of the light emitting devices is varied to maintain a substantially constant brightness level of light emitted from the light emitting devices.

12-27-2012

20140176518

DISPLAY METHOD AND DEVICE FOR OPTIMIZING SCREEN BRIGHTNESS - A display method and a display device for optimizing screen brightness of a mobile terminal are provided. The display method includes: determining an external illuminance value based on a sensor signal by detecting by the sensor signal for determining a brightness value of a screen; determining the brightness value of the screen corresponding to the external illuminance value; and outputting an image signal by using the brightness value of the screen.

06-26-2014

20160005342

METHOD OF DETECTING DEGRADATION OF DISPLAY PANEL AND DEGRADATION DETECTING DEVICE FOR DISPLAY PANEL - A method of detecting degradation of a display panel and a degradation detecting device for a display panel are disclosed. The device includes a light measuring unit configured to measure the brightnesses of light emitted at first and second areas of the display panel at a plurality of measurement temperatures and generate a plurality of first and second measured amounts of the light respectively emitted at the first and second areas. The device also includes a current amount calculator configured to calculate first and second current amounts of the light emitted at the first and second areas at a predetermined target temperature respectively based at least in part on the first and second measured amounts, and a determining unit configured to compare a first ratio of the first current amount to a first initial amount and a second ratio of the second current amount to a second initial amount.

01-07-2016

20140111493

DISPLAY APPARATUS AND OPTICAL INFORMATION DETECTION METHOD - With this display apparatus, it is possible to switch between a mode wherein a movable shield plate closes a hole formed in a reflecting plate that reflects light from backlights which provide light from behind a liquid crystal panel that displays an image, and a mode wherein the hole is open. A color sensor arranged behind the reflecting plate detects information pertaining to the light from the backlights that has passed through the hole formed in the reflecting plate. Thus, it is possible to detect information pertaining to the light from the backlights from behind the reflecting plate with high precision, and to improve the appearance viewed from the display-surface side of the apparatus.

04-24-2014

20120242634

DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - According to one embodiment, a display apparatus includes signal lines, and pixels. Each of the pixels includes a pixel electrode and a pixel control switch, and being classified into any of pixel groups. Each of the pixel groups includes a memory, and a sensor circuit which is configured to provide data for a detection signal to the memory when detecting the input information. The pixel control switch is configured to switch the voltage level of the pixel electrode in accordance with data for the display signal input via the signal line and the data for the detection signal input from the memory.

09-27-2012

20120242636

DISPLAY DEVICE - Decrease in resolution is minimized even in a photosensor including a plurality of receivers. In a photosensor-equipped display device including a plurality of photosensor assemblies in a display region that displays an image, each of the photosensor assemblies includes: a plurality of sensor apertures (

09-27-2012

20140132578

Ambient Light Sensors with Infrared Compensation - An electronic device may have a display with a brightness that is adjusted based on ambient light data from one or more ambient light sensors. An ambient light sensor may include at least one silicon-based photosensor. The silicon-based photosensor may generate a corresponding raw sensor reading. Processing circuitry associated with the ambient light sensor may analyze the raw sensor reading to determine the type of light source that is present by comparing measurements from at least two different photosensors, by determining the color temperature of the light source, and/or by determining the modulation frequency of the light source. A compensation factor may then be selected by referring to a lookup table. The processing circuitry may compute a compensated sensor reading based on the raw sensor reading and the selected compensation factor. The brightness of the display may be adjusted based on the compensated sensor reading computed in this way.

DISPLAY CONTROL APPARATUS - An image display system includes a light sensor operable to change a detection sensitivity. The light sensor outputs a signal according to an intensity of external light exerting an influence on a screen of a display apparatus and to the detection sensitivity. An illuminance acquisition part of a display control apparatus acquires illuminance by the external light based on the signal output from the light sensor. Moreover, a display adjuster adjusts a displaying state of the display apparatus in accordance with the illuminance by the external light acquired by the illuminance acquisition part. A sensitivity changer periodically alternates between a “low sensitivity” of the detection sensitivity and a “high sensitivity” of the detection sensitivity of the light sensor. Thus, even when changing significantly, the illuminance by the external light can be accurately and speedily acquired.

09-20-2012

20140152632

Solar Cell Ambient Light Sensors For Electronic Devices - An electronic device is provided with a display and a solar cell ambient light sensor that receives light through a portion of the display. The solar cell ambient light sensor may include one or more thin-film photovoltaic cells. A voltage that accumulates within the thin-film photovoltaic cell in response to ambient light is sampled and converted into ambient light data. The device includes control circuitry that modifies the intensity of display light generated by the display based on the ambient light data from the photovoltaic cell. The solar cell ambient light sensor is attached to a transparent cover layer, a color filter layer, or any other layer of the display. When the accumulated voltage is not being sampled for ambient light measurements, the voltage may be used to provide charge to a battery in the device.

06-05-2014

20140152633

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR OPERATING THE SAME - Disclosed is an organic light emitting display device, which is capable of compensating for variations in the characteristics of driving transistors, comprising a display panel including a plurality of pixels, each pixel having a driving transistor for operating a light emitting device to make the light emitting device emit light with a data current corresponding to a data voltage; a panel driver for detecting the characteristics of the driving transistors including at least one of mobility and threshold voltage of the driving transistor included in each pixel during a time period when there exists no user around the display panel, generating compensated input data by compensating input data according to the characteristics after the detection of the characteristics is completed, and generating data voltage through the use of the compensated input data; and a sensor for sensing whether or not there exists a user around the display panel, and supplying the sensing result to the panel driver.

DISPLAY METHOD FOR SUNLIGHT READABLE AND ELECTRONIC DEVICE USING THE SAME - A display method for sunlight readable is provided, which is applicable to an electronic device having a display panel. The display method includes the following steps. An ambient light sensor value and image content are obtained. Next, a liquid crystal (LC) driving voltage is altered based on the ambient light sensor value and the image content, wherein the LC driving voltage is increasingly proportional to the ambient light sensor value and exceeds a normal operation driving voltage when the ambient light sensor value exceeds a high luminance value. Then, the display panel is drived under the LC driving voltage. Finally, a sunlight readable image is displayed on the display panel.

06-12-2014

20140160100

METHOD AND USER INTERFACE SYSTEM FOR ADAPTING A GRAPHIC VISUALIZATION OF A VIRTUAL ELEMENT - A method performed by a user interface system is disclosed for adapting a graphic visualization of a virtual element on a display to render a corresponding fictitious physical element. The user interface system determines surrounding light characteristics of surrounding light associated with the display, and determines light adjusted characteristics of the virtual element based on the surrounding light characteristics. The user interface system adapts the graphic visualization based on the light adjusted characteristics, such that the graphic visualization resembles the fictitious physical element should the fictitious physical element have been subjected to the surrounding light. By considering surrounding light conditions prior to adapting the graphic visualization, the graphic visualization may change appearance depending on surrounding light conditions. The rendering may accordingly change dynamically when the surrounding light conditions change, similar to the appearance of true physical elements, thus providing a more realistic appearance of the graphic visualization.

06-12-2014

20160018658

DISPLAY APPARATUS - A display apparatus includes: (i) a glasses-type frame that is mounted on the head of an observer; and (ii) an image display device that is attached to the frame, wherein the image display device includes (A) an image forming device, and (B) an optical device on which light emitted from the image forming device is incident, in which the light is guided, and from which the light is emitted, a light control device that adjusts an amount of external light incident from the outside is provided in a region of the optical device from which light is emitted, and the light control device includes two opposite transparent substrates, electrodes that are provided on the substrates, and an electrophoretic dispersion liquid that is sealed between the two substrates.

01-21-2016

20160019847

DISPLAY DEVICE INCLUDING OPTICAL SENSOR AND DRIVING METHOD THEREOF - An object is to provide a display device with low power consumption and good display quality. A first substrate is provided with a terminal portion, a pixel electrode, a switching transistor including an oxide semiconductor, a first optical sensor having high optical sensitivity to visible light, and a second optical sensor having optical sensitivity to infrared light and having lower optical sensitivity to visible light than the first optical sensor. The illuminance or color temperature around a display device is detected using the first and second optical sensors, and the luminance or color tone of a display image is adjusted. A second substrate is provided so as to face the first substrate, and is provided with a counter electrode. In a period for displaying a still image, the switching transistor is turned off so that the counter electrode is brought into a floating state.

01-21-2016

20140176517

DISPLAY - A display includes an electronic media, transparent, display screen. A translucent body is behind the display screen and a diffuser is between the display screen and the translucent body. Low power light sources direct light across the diffuser. The power source usually includes at least one solar panel.

DISTANCE DETECTING DEVICE AND IMAGE PROCESSING APPARATUS INCLUDING THE SAME - A distance detecting device and an image processing apparatus including the same are disclosed. The distance detecting device includes a first light source to output a first output beam and a second light source to output a second output beam having a wavelength different from that of the first output beam, a scanner to progressively perform first directional scanning and second directional scanning to output the first output beam and the second output beam to an outside, a first detecting unit to convert a first received beam corresponding to the first output beam into a first electric signal, a second detecting unit to convert a second received beam corresponding to the second output beam into a second electric signal, and a controller to detect a distance from an external target based on the first electric signal and the second electric signal.

02-13-2014

20140055433

INTEGRATED BUILDING DISPLAY AND SHADING SYSTEM - An integrated building display and shading system formed of a plurality of exterior building panels arranged in an array, each exterior building panel representing one pixel. A given pixel resides in a first state when a first excitation state is applied to the exterior building panel and can be changed to reside in a second state when a second excitation state is applied to the exterior building panel, thus allowing an image to be presented on the array. The excitation states are controlled by an electronic control system including a frame buffer and an illumination source. Different types of variable property glass can be used such that a first state is a transparent state and the second state is an opaque state or color state (e.g. red, green, blue). The integrated building display and shading system can be illuminated via natural light, or via UV light, or via a projector.

02-27-2014

20140035893

COLOR ADJUSTMENT BASED ON OBJECT POSITIONED NEAR DISPLAY SURFACE - A display system includes a plurality of individual display devices to collectively generate an image on a display surface. At least one camera captures at least one image of the image on the display surface and captures at least one image of an object positioned near the display surface. A controller automatically adjusts a color of an object appearing in the image on the display surface based on the at least one image of an object.

02-06-2014

20120313913

DISPLAY DEVICE - Detection signals of respective photo sensor circuits (senS, senD, senON, and senOFF) are activated so as to be output at once for each group of prescribed plural number of sensor rows (LSk) by a row driver (

12-13-2012

20110164010

Display apparatus, light detection method and electronic apparatus - Disclosed herein is a display apparatus including a plurality of pixel circuits, a displaying driving section, and a light amount information detection section. The pixel circuits are disposed in a matrix at positions at which a signal line and a plurality of scanning lines cross with each other. The displaying driving section applies a signal value to each pixel circuit and drives the scanning lines to cause the pixel circuit to emit light with a luminance according to the signal value to carry out image display. The light amount information detection section detects light amount information. Each pixel circuit includes a light emitting element, a driving transistor, a sampling transistor, and a switching transistor. Each pixel circuit can execute light detection operation of varying the gate potential of the driving transistor in response to a received light amount and outputting the source potential of the driving transistor.

07-07-2011

20110141077

DRIVING METHOD FOR LOCAL DIMMING OF LIQUID CRYSTAL DISPLAY DEVICE AND APPARATUS USING THE SAME - A driving method for local dimming of a Liquid Crystal Display (LCD) device and an apparatus using the same are disclosed. The driving method includes measuring light intensities at a plurality of sampling points by driving a light source of a backlight unit and storing the light intensity measurements as light intensity data of the sampling points in a memory, determining a local dimming value of each block by analyzing input image data on a block basis, detecting a pixel position of current input data, selecting a plurality of sampling points adjacent to the current pixel and the light intensity data of the sampling points from the memory, detecting light intensity data of the current pixel by linearly interpolating the light intensity data of the sampling points individually, calculating a gain value by a light intensity analysis based on the light intensity data of the current pixel and the local dimming value of each block, compensating the current input data using the gain value, and controlling luminance of the backlight unit on a block basis using the local dimming value of each block.

06-16-2011

20110141079

IMAGE DISPLAY APPARATUS, CONTROL METHOD THEREOF, AND COMPUTER-READABLE STORAGE MEDIUM - A distribution of light amount sensor that measures a distribution of light amount during a display is installed in a boundary area of a front surface panel of a display screen. A display problem region detection unit detects a display problem region in the display screen based on an imbalance in the center location of the distribution of light amount obtained when a uniform image is displayed in the entirety of the display screen. Then, a correction unit corrects an image signal that is to be displayed in the display screen so as to suppress the influence of the display problem region on the display.

06-16-2011

20110128264

TRANSFLECTIVE DISPLAY DEVICE - A transflective display device includes upper and lower substrates, and a plurality of pixel regions that are disposed between the upper and lower substrates. Each of the pixel regions is controllable to switch between a bright state and a dark state, and includes a liquid crystal display structure, an emissive display structure, and a photovoltaic structure. The photovoltaic structure is capable of absorbing light to generate an electrical power. The liquid crystal display structure is controllable to operate between a transmissive mode and a reflective mode. The emissive display structure is controllable to emit graded light or to not emit light.

ADJUSTING APPARATUS AND METHOD FOR ADJUSTING BRIGHTNESS OF DISPLAYS - An adjusting apparatus includes a display, a host, and a luminance sensing device. The host includes a control module, a comparing module, and a storing module. The control module controls the display to display according to a first initial luminance value. The luminance sensing device senses brightness of the display and sends a first current luminance value, corresponding to the brightness, to the comparing module. The comparing module stores the first initial luminance value to the storing module after determining the first current luminance value to match with a first reference luminance value. The control module decreases the first initial luminance value to a second initial luminance value and controls the display to display according to the second initial luminance value.

09-12-2013

20110134091

ELECTRONIC APPARATUS AND BACKLIGHT BRIGHTNESS CONTROL METHOD THEREOF - An electronic apparatus and a backlight brightness control method thereof are provided. The control method includes the following steps. Detection of an ambient brightness for the electronic apparatus is made to output an ambient brightness signal. Next, whether to adjust the backlight brightness for the display is determined according to a comparison between the ambient brightness signal and a current backlight brightness. If the comparison result indicates that the ambient brightness decrement is lower than a decrement threshold, then an adjustment value is selected from a plurality of step sizes according to the current backlight brightness to decrease the backlight brightness gradually, so that the backlight brightness changes towards a target backlight brightness corresponding to the ambient brightness signal. The step sizes include a first step size and a second step size. The backlight brightness for the display is adjusted according to the current backlight brightness and the adjustment value.

06-09-2011

20110181566

Image information detecting device - The present invention is directed to an image information detecting device that detects image light, and includes an image information detecting member that includes a detection surface having a light receiving sensor that detects image light, and a pressing member that is connected at one end thereof to the image information detecting member, and is provided so as to protrude from an other surface side which is opposite to the detection surface side.

BACKLIGHT DRIVE DEVICE AND DISPLAY DEVICE HAVING SAME - Backlight drive units included in a backlight drive device of at least one embodiment of the present invention each have a plurality of metal pads functioning as a plurality of address setting terminals. To provide a potential for setting a unique address by coming into contact with the metal pads, metal protrusions are provided at corresponding locations of a backlight housing. A backlight drive control unit is directly connected to each unit through an IIC bus by a bus scheme and receives, via the IIC bus, a detected amount of light and temperature from each unit identified by the address. With such a simple configuration, a unique address can be automatically set for each unit, obtaining the commonization of backlight drive units.

10-13-2011

20110248973

BRIGHTNESS CONTROL DRIVE CIRCUIT FOR A CURRENT-DRIVEN DISPLAY DEVICE - A current-driven display device includes sub-pixel drive circuits with integral photo-sensitive circuits that modify the respective sub-pixel drive currents as a function of the locally sensed ambient light level. The photo-sensitive circuit may include a photo-transistor or photo-resistor connected in the output circuit of a drive transistor used to control the on-off state of a respective sub-pixel element, or the photo-sensitive circuit may include a photo-resistor that adjusts a control voltage or current supplied to an input circuit of the drive transistor. In any event, the photo-sensitive circuits individually and independently adjust the drive current, and hence the luminance, of each sub-pixel element based on the locally sensed ambient light level to locally and dynamically compensate for changes in ambient light impinging on the display device.

10-13-2011

20110234559

LIGHT SENSING CIRCUIT, BACKLIGHT CONTROL APPARATUS HAVING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A light sensing circuit capable of enhancing a reliability by lowering a dependency on a temperature change without using a resistor, a backlight control apparatus having the same, and an LCD device having the same. The light sensing circuit includes a first MOS-transistor; and a second MOS-transistor serially connected to the first MOS-transistor between a first power terminal and a ground terminal, in which a second power terminal is connected to each gate terminal of the first MOS-transistor and the second MOS-transistor, and an optical amount detecting terminal is connected to a common connection point between a drain terminal of the first MOS-transistor and a source terminal of the second MOS-transistor.

09-29-2011

20110234557

ELECTROPHORETIC DISPLAY DEVICE AND METHOD FOR DRIVING SAME - An electrophoretic display device is provided. The display device includes a first substrate, a second substrate opposite to the first substrate, a plurality of particles disposed between the two substrates, a driving circuit and a sensor. The driving circuit is configured for a display mode by imagewise driving the particles to display one or more images and configured for an idle mode by causing the particles to move away from at least one of the two substrates and to be non-imagewise dispersed in between the two substrates so as to form a substantially non-imagewise bistable state between the two substrates in the idle mode. The sensor senses or detects the usage status of the display device or the environmental parameters associated with a surrounding environment. The driving circuit is configured for either the display mode or the idle mode in accordance with the usage status or the environmental parameters.

09-29-2011

20110285681

IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD - The occurrence of the halo phenomenon caused in a display panel unit is detected in a liquid crystal display device that displays an image in the display panel unit including color filters of a plurality of colors by respectively controlling emission ratios of a plurality of LEDs emitting lights of colors respectively corresponding to the plurality of color filters. Upon detection, a part of the display panel unit, for example, the channel number and the vicinity thereof are set as a non-detection area in which the detection of the halo phenomenon is restricted and the remaining area is set as a detection area. The chroma of light, which corresponds to mixed light from the plurality of LEDs, is reduced by controlling the emission ratios of the LEDs on the basis of the detection result in the detection area, so that the color of light is closer to white.

11-24-2011

20110216049

VISIBLE LIGHT COMMUNICATION APPARATUS AND METHOD - Provided is a visible light communication apparatus. The visible light communication apparatus includes: a display unit that displays an image according to an image signal; a light source unit that operates as a backlight for the display unit, generates an optical signal by driving a light source based on a data signal, and outputs the generated optical signal to the display unit; a sensor unit that detects a region corresponding to a shape of a terminal which touches or approaches the display unit; and an image signal conversion unit that converts the image signal such that an image displayed in the region detected by the sensor unit is converted to a bright image having a gray level higher than a predetermined reference gray level.

09-08-2011

20110285680

Image display device, electronic apparatus, image display system, method of acquiring method, and program - An image display device includes: an image display section in which a plurality of pixels each having a display element are arranged, an imaging section capturing an image is arrangeable on the rear surface thereof, and a plurality of light-transmissive portions are provided in a region corresponding to the imaging section; and a diffraction correction section which, for image information acquired by the imaging section through a plurality of light-transmissive portions, performs diffraction correction processing for suppressing an influence appearing in the image information because of a diffraction effect in the light-transmissive portions.

11-24-2011

20110199352

SEMISPECULAR HOLLOW BACKLIGHT WITH GRADIENT EXTRACTION - A backlight that includes a front reflector and a back reflector that form a hollow light recycling cavity including an output surface is disclosed. The backlight also includes a semi-specular element, and a light extraction element disposed within the hollow cavity. The light extraction element has a gradient specularity. The backlight also includes one or more light sources to inject light into the hollow light recycling cavity, where the one or more light sources are configured to inject light over a limited angular range.

08-18-2011

20110199351

SEMICONDUCTOR DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - A semiconductor circuit including: an A/D converter circuit which converts an inputted first signal into a second signal. The A/D converter circuit includes a comparator circuit which compares a voltage of the first signal and a reference voltage; an A/D conversion controller circuit which outputs a digital signal in accordance with comparison results given by the comparator circuit, as a fourth signal and which outputs, in accordance with the third signal, a digital signal corresponding to the first signal, as the second signal; and a D/A converter which converts an inputted fourth signal into an analog signal and which outputs the analog signal as the reference signal. The comparator circuit includes a transistor having a first gate and a second gate. The first signal is inputted to the first gate, the reference signal is inputted to the second gate.

08-18-2011

20110199350

AMBIENT LIGHT-COMPENSATED REFLECTIVE DISPLAY DEVICES AND METHODS RELATED THERETO - Various embodiments include devices, methods, data structures, and software that allow a reflective display device to, among other things, determine color components of a first image, detect an ambient light color composition, and weight one or more of the color components of the first image to provide a compensated image for display on the reflective display device. In one embodiment, the weighting compensates for a difference between the detected ambient light color composition and a specified color balance.

08-18-2011

20110175873

METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - In an image signal writing period, a first image signal is supplied to a first liquid crystal element and a first capacitor from a first signal line. In a backlight lighting period, display is performed in a light-transmitting pixel portion in response to the first image signal. In a black grayscale signal writing period, a signal for black display is supplied to a second liquid crystal element and a second capacitor from a second signal line. In a still image signal writing period, a second image signal is supplied to the first liquid crystal element, the first capacitor, the second liquid crystal element, and the second capacitor from the first signal line. In a still image signal holding period, display is performed in the reflective pixel portion in response to the second image signal.

07-21-2011

20110175871

DISPLAY DEVICE - Dynamic range is widened in a display device with a photosensor that can read an image due to having a photodetection element inside a pixel thereof. A sensor driving circuit switches ON a reset signal (RST) that is supplied via reset signal bus line, and after a predetermined time has elapsed, switches ON a readout signal (RWS) that is supplied via readout signal bus line. Thus, in the photosensor, from which a photosensor signal is output in accordance with an amount of light received by the photosensor in the predetermined time, the capacitance of a capacitor provided in the photosensor is made variable from when the reset signal (RST) is supplied to the photosensor until when the predetermined time has elapsed.

BRIGHTNESS CORRECTION DEVICE AND BRIGHTNESS CORRECTION METHOD - An illumination controller determines a target brightness setting value from a illuminance value measured by a illumination sensor, determines a brightness correction start time in response to a target brightness setting value and a current brightness setting value and a calculation information that are stored in a memory, calculates an amount of brightness setting change per specified time from the current brightness setting value stored in the memory and the target brightness setting value at a brightness correction start time, and outputs an output brightness setting value in response to the amount of brightness setting change that is calculated. The brightness controller adjusts brightness of the display unit in response to the output brightness setting value output from the illumination controller.

07-28-2011

20110181565

MULTI-SCREEN DISPLAY DEVICE - There has been a problem of displacement of luminance and chromaticity among multiple screens due to a temperature change and a temporal change of a light source of the screen. The present invention provides a multi-screen display device including a plurality of image display devices, in which one master device and one or a plurality of slave devices communicable with the master device are included, each of the image display devices is provided with a DMD that modulates light of a light source, a screen that projects an image by modulated output light of the DMD, and an RGB luminance sensor that detects luminance of light from the DMD in an off-state, to output a luminance detection value, the master device is provided with a setting part that sets a luminance setting value unified among the plurality of image display devices based on a value in accordance with the luminance detection values, and each image display device is further provided with a luminance/chromaticity corrector that controls luminance/chromaticity of an image displayed on the screen based on the luminance setting value.

07-28-2011

20110273413

DISPLAY DEVICE AND USE THEREOF - The display device includes a sensor system with at least one sensor for detecting the intensity or colour of light emitted from at least one display area of the display device into the viewing angle of the display device. The sensor system further includes in one embodiment an at least partially transparent sensor. The sensor system includes in another embodiment at least one optical coupling device including a light guide member and a incoupling member for guiding or directing, e.g. deflecting, reflecting, bending, scattering, diffracting, at least one part of the light emitted from the display area to the corresponding sensor, wherein the sensor is located outside or at least partially outside the viewing angle of the display device.

11-10-2011

20110267324

APPARATUS AND METHOD FOR AMBIENT LIGHT DETECTION AND POWER CONTROL VIA PHOTOVOLTAICS - A method and apparatus for ambient light detection and power control using photovoltaics is disclosed. In an embodiment, a device includes a display and a photovoltaic cell. The photovoltaic cell acts as both an ambient light sensor and a power source. Based on the detected ambient light level, the brightness of the display is increased or decreased to save power, and energy captured by the photovoltaic cell is converted into a useable power signal which is stored or used by device components.

11-03-2011

20110169794

PHOTODETECTOR, PHOTODETECTOR ARRAY AND DISPLAY DEVICE WITH PHOTODETECTION - According to one embodiment, a photodetector includes a substrate, a first semiconductor region, a second semiconductor region, a third semiconductor region, an insulating film, a first electrode, a second electrode, and a shield film. The first semiconductor region is provided on a major surface of the substrate. The second semiconductor region and the third semiconductor region are provided in a substantially identical plane to the first semiconductor region. The second semiconductor region is contacted with the first semiconductor region and has an impurity concentration higher than the first semiconductor region. The third semiconductor region is contacted with the second semiconductor region. The shield film is provided on the insulating film and electrically connected to the first electrode. A periphery of the shield film is disposed to cover an interface between the second semiconductor region and the third semiconductor region in a planar view.

07-14-2011

20110205202

ORGANIC ELECTROLUMINESCENT DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A method and system for controlling power consumption of a display is disclosed. The method includes determining battery voltage, brightness of ambient light, temperature, and adjusting the brightness of the organic electroluminescent display apparatus, or by adjusting the voltage difference between a first power voltage and a second power voltage of the organic electroluminescent display apparatus, according to the battery voltage, the brightness of the ambient light, the temperature, and image data of the organic electroluminescent display apparatus.

08-25-2011

20110205201

MICROENCAPSULATED ELECTROPHORETIC PRICE DISPLAY SYSTEM - An electronic product price display system for installation in a retail environment for displaying price and related information concerning retail consumer products price including at least one microencapsulated electrophoretic display label for displaying information about consumer products; a power system for powering the display labels, where the power system includes a photovoltaic cell coupled with a means for storing the power generated by the photovoltaic cell; an antenna for receiving RF signals and transmitting them to a microcontroller; a microcontroller for receiving RF communication signals and for converting the received signals into instructions to change the display labels; a programmable computer module for generating instructions for the labels; means for receiving said instructions from said computer and generating RF instruction signals; and means for removably affixing said labels to store shelving holding the consumer products.

08-25-2011

20090195524

MULTIMEDIA SYSTEM AND REMOTE CONTROL DEVICE THEREOF - A multimedia system and a remote control device are provided. The multimedia system includes a remote sensor, a wireless transmitter, and a display apparatus. The remote sensor is used for sensing an environmental luminance. The wireless transmitter is used for transmitting a control signal corresponding to the environmental luminance. The display apparatus includes a light source and a wireless receiver. The display apparatus receives the control signal via the wireless receiver and adjusts a brightness level of the light source based on the control signal.

08-06-2009

20090115756

Matrix phosphor cold cathode display employing ion activated phosphors - A vacuum flat panel display has a plurality of associated pixels each having a phosphor and nanotubes and a surrounding control frame. When a pixel voltage is negative relative to the frame then a plurality of electrons emitted by the nanotubes are attracted to the frame whereby electrons strike gas atoms in transit to the frame and produce ions and additional electrons; wherein said ions returning to the pixel result in phosphor illumination. The invention is also a process for illuminating a phosphor in a flat panel display comprising: a plurality of associated pixels each having a phosphor and nanotubes; applying a pixel voltage negative relative to a frame; attracting to the frame a plurality of electrons emitted by the nanotubes; whereby electrons strike atoms of a gas in transit to the frame producing ions resulting in phosphor illumination.

05-07-2009

20090115757

Low-power image display device and method - Provided is a low-power image display device including a brightness determining unit that determines the brightness of image data applied from outside; a histogram analyzing unit that is connected to the brightness determining unit, calculates a cumulative distribution function (CDF) of the determined image data, and selects the brightness of the image data, corresponding to the number of pixels preset in the calculated CDF, as reference brightness; a brightness control unit that is connected to the brightness determining unit and the histogram analyzing unit and converts the image data such that the contrast of the image data is converted into contrast corresponding to the reference brightness; a data drive that is connected to the brightness control unit, receives the image data of which the contrast is changed, and converts the image data into an image output signal for displaying an image to the outside; a backlight control unit that is connected to the histogram analyzing unit and the data drive and generates a driving voltage for controlling the brightness of backlight to brightness corresponding to the reference brightness; and an image display unit that is connected to the data drive and the backlight control unit, receives the driving voltage generated from the backlight control unit and the image output signal, and displays an image by using the image data, of which the contrast is changed, and the backlight of which the brightness is changed.

05-07-2009

20090091560

METHOD AND APPARATUS TO CONTROL DISPLAY BRIGHTNESS WITH AMBIENT LIGHT CORRECTION - An ambient light sensor produces a current signal that varies linearly with the level of ambient light. The current signal is multiplied by a user dimming preference to generate a brightness control signal that automatically compensates for ambient light variations in visual information display systems. The multiplying function provides noticeable user dimming control at relatively high ambient light levels.

04-09-2009

20090160833

Laser Projection White Balance Tracking - The radiance of a laser diode is a function of laser diode drive current. The radiance is also a function of other factors, such as age and temperature. A laser projection device includes laser diodes to generate light in response to a commanded radiance, and also includes photodetectors to provide a measured radiance. The commanded radiance and measured radiance are compared, and drive currents for the laser diodes are adjusted to provide luminance and color balance tracking.

06-25-2009

20090009501

Luminance sensing apparatus - The invention discloses a luminance sensing apparatus for sensing the luminance of any area on a panel. The luminance sensing apparatus comprises a base, a first shaft, a first actuator, a second shaft, a second actuator, and at least one luminance sensor. The first shaft is pivotally connected to the base, and the second shaft is pivotally connected to the first shaft. The luminance sensor is disposed on the second shaft. The first actuator is used for actuating the first shaft to rotate with respect to the base, and the second actuator is used for actuating the second shaft to rotate with respect to the first shaft, such that the luminance sensor on the second shaft is capable of sensing luminance of any area on the panel. Accordingly, the luminance on the panel can be uniformly calibrated.

01-08-2009

20080204437

Light-sensor-placement device for color display, and displays comprising same - Light-sensor devices are disclosed for use with a color display such as a CRT, LCD, plasma display, or other type of display. The device includes an arm having a proximal end and a distal end, wherein a light sensor is situated on or near the distal end. A mover, coupled to or near the proximal end, is configured to move the arm to place the sensor selectively at a parked position and at a measurement position. The mover can be electrically energizable to cause motion of the arm. The mover can be or include a motor. Such a light-sensor device can be mounted to a display and thus become a substantially permanent part of the display and can be used with displays that are difficult or inconvenient to keep color-calibrated, or are difficult or impossible to reach for color-calibration.

08-28-2008

20080204438

Organic light emitting display, controller therefor and associated methods - A display driven by a data signal and a light emission signal may be controlled by a control system including a first through fourth controller. The first controller may select a gamma value in accordance with ambient illumination and output a corresponding gamma compensation signal to control a gradation voltage of input image data. The second controller may compare the ambient illumination with a reference value, generate a selection signal in response thereto, and provide changed image data obtained by changing input image data in accordance with the selection signal as the data signal. The third controller may apply a scaling factor to the input image data generated from extracted features related to the input image data and a scale ratio obtained from the extracted features, and output scaled image data as the data signal. The fourth controller may control a pulse width of the emission control signal.

08-28-2008

20090146983

CIRCUIT AND METHOD FOR DRIVING SELF LIGHT-EMITTING DISPLAY DEVICE - Disclosed is a circuit for driving a self light-emitting display device which itself emits light when an electric or other energy is inputted thereto and a method thereof. According to the circuit and method, the self light-emitting display device can be driven more stably and with a higher efficiency by adjusting the number of used bits and luminance of respective color components in accordance with a luminance change of an external light and keeping a constant contrast ratio irrespective of the adjustment of the bit numbers.

06-11-2009

20090146982

Lighting Calibration System and Method - A lighting calibration system for a video display environment includes a video display and a lighting sensor, fixedly positioned in the environment, and a lighting detection system, coupled to the lighting sensor and controllable from outside the environment. The lighting detection system is configured to receive positionally and temporally unique signals from the lighting sensor, and to provide an indication when lighting conditions in the environment differ from a selected lighting standard, based upon the signals.

06-11-2009

20090146981

LIGHT DETECTION SYSTEM AND RELATED METHOD - The present invention provides a light detection system essentially including a light detection circuit for generating a light detection signal by performing a light detection process, an integration-period control circuit for generating a control signal based on the light detection signal, and an integration circuit for adjusting an integration period based on the control signal and generating a readout signal by performing an integration process on the light detection signal during the adjusted integration period. The present invention further provides a light detection method essentially including providing a plurality of integration periods, generating a light detection signal by performing a light detection process, selecting an integration period out of the provided integration periods based on the light detection signal, and generating a readout signal by performing an integration process on the light detection signal during the selected integration period.

06-11-2009

20080284767

DISPLAY DEVICE, CONTROL METHOD AND COMPUTER PROGRAM FOR DISPLAY DEVICE - A display device includes: a light emission amount detecting section which inputs video signals having linear property and detects an amount of light emission from the video signals; a light emitting time calculating section which calculates light emitting time of the light emitting elements based on the amount of light emission detected by the light emission amount detecting section; a light emitting time recording section which records the calculated light emitting time; a luminance acquiring section which, acquires luminance information of the light emitting elements using the light emitting time recorded in the light emitting time recording section; a coefficient calculating section which calculates coefficients by which the video signals are multiplied based on the luminance information acquired by the luminance acquiring section; and a coefficient multiplying section which multiplies the video signals by the coefficients calculated by the coefficient calculating section.

11-20-2008

20090160834

DISPLAY SCREEN AND SENSOR MODULE THEREOF - A display screen with a display area includes a frame and a sensor module. The frame surrounds the display area. The sensor module is mounted on the frame and includes a mount disposed on the frame and a slidable assembly slidably disposed on the mount and including an ambient light sensor and a screen light sensor, wherein the ambient light sensor and the screen light sensor are disposed on two opposite sides of the slidable assembly respectively. When a side of the slidable assembly on which the screen light sensor is disposed faces the display area, the screen light sensor detects brightness of the display area. When the side of the slidable assembly does not face the display area, the ambient light sensor detects brightness of an ambiance.

06-25-2009

20090033646

DISPLAY WITH A LUMINANCE AND COLOR TEMPERATURE CONTROL SYSTEM AND METHOD FOR CONTROLLING THE LUMINANCE OF A DISPLAY - A display includes a display module, a light source, a light source driving circuit, a display driving circuit, and an optical sensor. The optical sensor is installed next to the light source for detecting the luminance and color temperature of the light source. The optical sensor is coupled to the display driving circuit for generating a feedback signal to the display driving circuit according to the luminance and the color temperature of the light source. The display driving circuit drives the display module to display an image according to a received image signal and updates the data of the image signal according to the feedback signal so as to adjust the luminance and the color temperature of the image.

Color calibration system and method - A color calibration system comprises an electronic device having a display screen, a color sensing device disposed on the electronic device, and a calibration module disposed in the electronic device to perform a color calibration process for the display screen based on a color value detected by the color sensing device.

07-23-2009

20090179880

Display device and luminance control method therefor - Disclosed herein is a display device having an insulating substrate, an effective pixel area formed on the insulating substrate and having at least pixels arranged in the form of a matrix, and a peripheral circuit formed on the insulating substrate so as to surround the effective pixel area, the pixels being driven by the peripheral circuit to display a desired image in the effective pixel area, the display device including an extraneous light sensor provided in the effective pixel area for detecting extraneous light to output an extraneous light quantity detection result for use in controlling the luminance of the image.

Display device and method for using the same - A display device includes an image display region displaying images, an automatic light sensor sensing ambient lighting conditions of a location of the display device, and a control system controlling an amount of light produced within the image display region by the displayed images based upon the sensed ambient lighting conditions, wherein the control system includes a single user interface displayed within the image display region and allows simultaneous enabling/disabling of the automatic light sensor and adjusting of image display characteristic values of the displayed images by a user.

03-12-2009

20090027371

PHOTO DETECTOR AND METHOD FOR FABRICATING THE SAME - A photo detector is disclosed. The photo detector includes a substrate, a first patterned semiconductor layer with a first state, a dielectric layer, a patterned conductive layer, an inter-layer dielectric, a second patterned semiconductor layer with a second state, two first electrodes disposed on the inter-layer dielectric and two second electrodes disposed on portions of the second semiconductor layer. The first patterned semiconductor layer having a first doping region and a second doping region is disposed on a transistor region of the substrate. The dielectric layer is disposed to cover the substrate and the first semiconductor layer, the patterned conductive layer is disposed on the dielectric layer, and the inter-layer dielectric having at least two openings adapted to expose the first doping region and the second doping region is disposed to cover the dielectric layer. The second patterned semiconductor layer is disposed on a photosensitive region and the first electrodes are electrically connected to the first patterned semiconductor layer.

01-29-2009

20090167737

METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING VIEWING ANGLE OF SCREEN - A method and an apparatus for dynamically adjusting a viewing angle of a screen are provided. The method is suitable for dynamically adjusting a viewing range of a screen of a handheld electronic device, wherein the viewing angle of the screen is adjustable. The method is as follows. First, a shifting value of a target deviating from the viewing range of the screen is detected by a sensor. Next, the viewing range of the screen is dynamically adjusted according to the shifting value, so as to cover the target within the viewing range of the screen. Accordingly, the snooping for the content of a frame displayed on the screen by others can be prevented and a user can view the frame displayed on the screen more conveniently.

07-02-2009

20090179882

Light modulator, projection display apparatus and image projection method - A first linearly polarized bundle of rays of incident rays is converted by optical modulation with an input video signal into a second linearly polarized bundle of rays orthogonal to the first rays in polarization. The first rays pass through a polarizer before optically modulated. A second linearly polarized bundle of rays originally involved in the incident rays is reflected by the polarizer in a first direction. The second rays obtained by the optical modulation are reflected by the polarizer in a second direction. The second rays reflected in the second direction pass through another polarizer. A first linearly polarized bundle of rays involved in the reflected second rays is reflected by the other polarizer. The reflected first rays is detected by an optical sensor that is positioned outside an optical path of the second rays originally involved in the incident rays and reflected in the first direction.

Dynamic brightness range for portable computer displays based on ambient conditions - A portable computer system that comprises dynamically adjustable brightness range settings and brightness control for providing improved user readability and prolonged component lifetime of the display screen. The main processor can change the range settings based on ambient light conditions or the user can perform the changes. The brightness level of the display changes according to a user selected setting within the range selected. The time required to implement the brightness change can be set to a value which can be configured by the user.

03-26-2009

20090135167

DISPLAY DEVICE AND ELECTRONIC APPARATUS - Disclosed herein is a display device including a first light sensor unit configured to include a light-receiving element and detect intensity of ambient light to a display area; a second light sensor unit configured to include a light-receiving element and be provided with an infrared filter disposed on an optical path to the light-receiving element; and a signal processor configured to execute difference processing for a detection signal of the first light sensor unit and a detection signal of the second light sensor unit, wherein the infrared filter is formed by stacking at least two kinds of color filters.

05-28-2009

20080198151

DRIVING METHOD AND DRIVING APPARATUS OF LIQUID CRYSTAL DISPLAY - A driving method includes sensing illuminance of ambient light determining a first contrast ratio based on the sensed illuminance, determining a second contrast ratio and a relative ratio of the contrast ratio, determining a gradient of a compensation gamma curve using the relative ratio, determining an average gray of input data signals, and determining the compensation gamma curve.

08-21-2008

20090128529

Display Device and Electronic Device - A display apparatus including an optical sensor in its peripheral region is intended to response to visible rays efficiently by preventing a malfunction due to the reaction of the optical sensor to near ultraviolet rays. For this purpose, a display apparatus that includes an active matrix substrate (

05-21-2009

20090128530

AMBIENT LIGHT DEPENDENT THEMES - A portable electronic device may include a display for displaying an image having different color or grey scale fields. Neighboring fields in the image may have different luminance. The portable electronic device may also include an ambient light detecting unit and a control unit. The control unit receives a luminance value corresponding to detected ambient light from the ambient light detecting unit, compares the luminance value with an ambient light level threshold and increases the difference in luminance between neighboring fields of an image being displayed by the display when the luminance exceeds the ambient light level threshold.

05-21-2009

20090167738

IMAGING DEVICE AND METHOD - An imaging device capable of sensing overall luminous intensity and determining whether to turn off an illumination device. The imaging device can capture a moving picture, and includes a light emitting unit for emitting light on a subject, a light measuring unit for detecting the brightness level of the subject, and a light emitting intensity controller for controlling the light emitting intensity from the light emitting unit. The light emitting intensity controller controls the light emitting unit to emit light having different intensities on the subject for a period of time corresponding to at least one frame, and reduces the light emitting intensity of the light emitting unit or adjusts the light emitting intensity to a value of ‘0’ based on the brightness level of the subject on which the light having different intensities is emitted.

07-02-2009

20080252628

IMAGE PROCESSING APPARATUS AND METHOD OF REDUCING POWER CONSUMPTION OF SELF-LUMINOUS DISPLAY - An image processing apparatus and a method to reduce power consumption of a self-luminous display. The image processing apparatus includes a parameter selection unit to select a parameter to adjust a degree to which power consumption is reduced; a scale factor setting unit to extract a high-frequency component of a current pixel in an input image and to set a scale factor according to the selected parameter and a size of the extracted high-frequency component; and a multiplier to multiply the current pixel by the set scale factor and to output a result of the multiplication.

10-16-2008

20080252629

Display apparatus and brightness correction method thereof - A display apparatus and a brightness correction method thereof are provided. The display apparatus includes a body and a light sensing device. The body includes a screen and a control module and the control module is coupled to the screen for controlling brightness of the screen. The light sensing device, coupled to the body through a cable, is used for sensing brightness so as to generate a detected brightness value accordingly, wherein the control module receives the detected brightness value through the cable.

DISPLAY APPARATUS AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - In a display apparatus having an active matrix substrate, a counter substrate provided so as to be opposed to a pixel array region of the active matrix substrate, and a display medium provided in a gap between the active matrix substrate and the counter substrate, an optical sensor (

05-14-2009

20090219267

VIDEO DISPLAY APPARATUS AND VIDEO DISPLAY METHOD - According to an aspect of the invention, a video display apparatus includes: a sensor that measures an external environment to output the external environment; a storing unit that stores a correction value associated with the measured value; a adjusting unit that changes the correction value based on a given operation by a user; and a processor that adjusts a picture quality of a picture to be displayed on a display based on the measured value and the correction value.

Organic light emitting diode (OLED) display and a method of driving the same - An organic light emitting diode (OLED) display includes an illuminance sensing unit configured to sense an external illuminance, a brightness determination unit configured to determine a brightness of the OLED display according to an illuminance sensed by the illuminance sensing unit, a driving voltage determination unit configured to determine a driving voltage corresponding with a current saturation point of the OLED display, the driving voltage being determined based at least in part on a driving current and the brightness determined by the brightness determination unit, a voltage conversion unit configured to receive an input voltage, generate a first voltage higher than the input voltage, and generate a second voltage lower than the input voltage, and a display unit configured to receive the first and second voltages from the voltage conversion unit and display an image.

10-09-2008

20090237382

DISPLAY DEVICE - A display device includes: first and second photosensors; a reader; a light detector outputting the light amount detected by the photosensors; a first circuit outputting a first signal based on incident light entering the first photosensor; and a second circuit outputting a second signal based on dimmed incident light entering the second photosensor. The reader includes: a coefficient calculator calculating a first measurement ratio of the first signal to the second signal, and a power correction coefficient; a rate calculator deriving modified power coefficients from the power correction coefficient, calculating a second measurement ratio of the power-corrected first and second signals, and calculating a slope correction coefficient; and an output unit deriving modified proportional coefficients from the slope correction coefficient, and correcting the power-corrected first and second signals using the modified proportional coefficients to yield outputted initial light amount signals.

09-24-2009

20090237381

Display device and method for luminance adjustment of display device - Disclosed herein is a display device that displays a desired image on an effective pixel area in which sub-pixels are arranged in a matrix, the display device including: an ambient light sensor configured to be provided in a predetermined sub-pixel in the effective pixel area, the ambient light sensor receiving ambient light and outputting a result of detection of an ambient light amount for adjustment of luminance of the image; and a hue correction mechanism configured to correct local hue change due to provision of the ambient light sensor in the predetermined sub-pixel.

09-24-2009

20080218501

Display illumination system and method - The present invention provides automatic adjustments to an image presentation based upon changes in ambient light. The adjustments can be made to the back-lighting and/or the pixel data. The ambient lighting can be measured by a variety of sensors (e.g., a digital camera) from a variety of orientations. For example, the sensor can be directed away from the display (e.g., towards the user) or the sensor can be directed towards the display (e.g., from an angle comparable to the users view). In one exemplary implementation a graphics control system utilizes real time ambient light sampling input to calibrate a back-light illumination level and/or pixel illumination levels. The present invention can be implemented in a variety of devices (e.g., laptop, PDA, cell phone, headsup display, etc.).

DETERMINING APPARATUS AND METHOD FOR CONTROLLING THE SAME - There is provided a method for controlling a determining apparatus including: a first pixel for displaying a first image; a second pixel for displaying a second image; a light shielding member that allows the first image to be viewed from a first direction and blocks the first image from a second direction, and allows the second image to be viewed from the second direction and blocks the second image from the first direction; a first sensor provided for the first pixel and detecting the quantity of light coming from the first direction; and a second sensor provided for the second pixel and detecting the quantity of light coming from the second direction. The method includes: storing at least one frame of the results of detection of the first and second sensors; and after obtaining the present results of detection of the first and second sensors, determining whether an object approaches from the first direction or the second direction from the result of comparison between the stored detection results of one frame and the results of detection of present one frame.

12-11-2008

20090207157

PHOTOSENSOR FOR DISPLAY DEVICE - A photosensor for a display device includes a light receiver, a reset unit, and a sample unit. The light receiver is used for receiving ambient light to generate a photovoltage. The light receiver includes a first transistor and a first conversion unit that transforms the output of the first transistor into the photovoltage. The reset unit is used for providing an initiated reference voltage in response to a reset signal and includes a second transistor and a third transistor that are connected with each other, where the first conversion unit is discharged through the third transistor to obtain the initiated reference voltage when the second transistor is turned on. The sample unit is used for outputting the photovoltage in respond to a sample signal, the sample unit comprising a fourth transistor in respond to the sample signal and a second conversion unit that transforms the output of the fourth transistor into the photovoltage.

08-20-2009

20090040205

METHOD FOR COMPENSATING FOR A CHROMATICITY SHIFT DUE TO AMBIENT LIGHT IN AN ELECTRONIC SIGNBOARD - A method for use with an electronic signboard (e.g., an LED signboard) compensates psychovisual chromaticity shift due to ambient light. The method first measures a color of light reflected from the signboard. Based on the measurement a set of calorimetric equations defining the desired light to be perceived as being displayed by each pixel of the signboard are solved. The calorimetric equations are the additive color mixture of the ambient light and the light to be actually displayed by the pixel in the absence of ambient light. The calorimetric equations may be expressed in units of uniform color space. The solutions of the colorimetric equations are then used to control the light actually displayed by the pixel.

02-12-2009

20080259067

METHOD FOR ADJUSTING BACKLIGHT BRIGHTNESS AND ELECTRONIC DEVICE USING THE SAME - A method for adjusting backlight brightness of a screen, including the following steps of: detecting a brightness of ambient light; collecting the ambient light; adjusting a proportional ratio between collected light and light emitted from an internal light source according to the brightness of the ambient light; coupling the collected light with the light emitted from the internal light source according to the proportional ratio. An electronic device using the method is also disclosed.

10-23-2008

20160147091

OPTICAL DETECTION DEVICE AND METHOD OF CONTROLLING SAME - An optical device is described. The device has a sensor having a light incident side, wherein the sensor is designed to convert light that is incident upon the light incident side into an electrical signal. In one embodiment, the device further has at least one lens and a liquid crystal device which is arranged in front of the light incident side of the sensor in such a manner that the at least one lens is situated between the liquid crystal device and the sensor, wherein the liquid crystal device comprises at least one region whose light transmission is electronically controllable. There are further described an electronic device, a method of controlling an optical device, and a computer program.